Home / 756,295.50-1,134,443.22-518,918.52

Finding the Fourth Proportional to 756,295.50, 1,134,443.22 and 518,918.52

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Solution

The fourth proportional to 756,295.50, 1,134,443.22 and 518,918.52 is: 778,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,295.50 : 1,134,443.22 = 518,918.52 : x
  2. Step 2: Convert to fraction form
    756,295.50/1,134,443.22 = 518,918.52/x
  3. Step 3: Cross multiply
    756,295.50x = 1,134,443.22 × 518,918.52
  4. Step 4: Simplify right side
    756,295.50x = 588,683,596,746.44
  5. Step 5: Solve for x
    x = 588,683,596,746.44/756,295.50
  6. Step 6: Final answer
    x = 778,377.76

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Double scale
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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.