Home / 724,621.71-1,087,070.63-292,373.46

Finding the Fourth Proportional to 724,621.71, 1,087,070.63 and 292,373.46

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Solution

The fourth proportional to 724,621.71, 1,087,070.63 and 292,373.46 is: 438,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,621.71 : 1,087,070.63 = 292,373.46 : x
  2. Step 2: Convert to fraction form
    724,621.71/1,087,070.63 = 292,373.46/x
  3. Step 3: Cross multiply
    724,621.71x = 1,087,070.63 × 292,373.46
  4. Step 4: Simplify right side
    724,621.71x = 317,830,599,895.61
  5. Step 5: Solve for x
    x = 317,830,599,895.61/724,621.71
  6. Step 6: Final answer
    x = 438,615.90

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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.