Home / 631,052.40-870,887.76-344,599.20

Finding the Fourth Proportional to 631,052.40, 870,887.76 and 344,599.20

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Solution

The fourth proportional to 631,052.40, 870,887.76 and 344,599.20 is: 475,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,052.40 : 870,887.76 = 344,599.20 : x
  2. Step 2: Convert to fraction form
    631,052.40/870,887.76 = 344,599.20/x
  3. Step 3: Cross multiply
    631,052.40x = 870,887.76 × 344,599.20
  4. Step 4: Simplify right side
    631,052.40x = 300,107,225,385.79
  5. Step 5: Solve for x
    x = 300,107,225,385.79/631,052.40
  6. Step 6: Final answer
    x = 475,566.25

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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.