Home / 778,880.20-1,168,320.30-530,048.20

Finding the Fourth Proportional to 778,880.20, 1,168,320.30 and 530,048.20

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Solution

The fourth proportional to 778,880.20, 1,168,320.30 and 530,048.20 is: 795,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,880.20 : 1,168,320.30 = 530,048.20 : x
  2. Step 2: Convert to fraction form
    778,880.20/1,168,320.30 = 530,048.20/x
  3. Step 3: Cross multiply
    778,880.20x = 1,168,320.30 × 530,048.20
  4. Step 4: Simplify right side
    778,880.20x = 619,266,072,038.46
  5. Step 5: Solve for x
    x = 619,266,072,038.46/778,880.20
  6. Step 6: Final answer
    x = 795,072.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.