Home / 631,259.00-870,560.46-493,456.13

Finding the Fourth Proportional to 631,259.00, 870,560.46 and 493,456.13

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Solution

The fourth proportional to 631,259.00, 870,560.46 and 493,456.13 is: 680,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,259.00 : 870,560.46 = 493,456.13 : x
  2. Step 2: Convert to fraction form
    631,259.00/870,560.46 = 493,456.13/x
  3. Step 3: Cross multiply
    631,259.00x = 870,560.46 × 493,456.13
  4. Step 4: Simplify right side
    631,259.00x = 429,583,391,169.82
  5. Step 5: Solve for x
    x = 429,583,391,169.82/631,259.00
  6. Step 6: Final answer
    x = 680,518.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.