Home / 774,012.70-1,161,019.05-522,070.30

Finding the Fourth Proportional to 774,012.70, 1,161,019.05 and 522,070.30

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Solution

The fourth proportional to 774,012.70, 1,161,019.05 and 522,070.30 is: 783,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,012.70 : 1,161,019.05 = 522,070.30 : x
  2. Step 2: Convert to fraction form
    774,012.70/1,161,019.05 = 522,070.30/x
  3. Step 3: Cross multiply
    774,012.70x = 1,161,019.05 × 522,070.30
  4. Step 4: Simplify right side
    774,012.70x = 606,133,563,739.22
  5. Step 5: Solve for x
    x = 606,133,563,739.22/774,012.70
  6. Step 6: Final answer
    x = 783,105.45

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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.