Home / 631,057.24-870,855.60-344,577.52

Finding the Fourth Proportional to 631,057.24, 870,855.60 and 344,577.52

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Solution

The fourth proportional to 631,057.24, 870,855.60 and 344,577.52 is: 475,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,057.24 : 870,855.60 = 344,577.52 : x
  2. Step 2: Convert to fraction form
    631,057.24/870,855.60 = 344,577.52/x
  3. Step 3: Cross multiply
    631,057.24x = 870,855.60 × 344,577.52
  4. Step 4: Simplify right side
    631,057.24x = 300,077,262,926.11
  5. Step 5: Solve for x
    x = 300,077,262,926.11/631,057.24
  6. Step 6: Final answer
    x = 475,515.13

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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.