Home / 963,472.38-1,445,152.80-289,539.18

Finding the Fourth Proportional to 963,472.38, 1,445,152.80 and 289,539.18

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Solution

The fourth proportional to 963,472.38, 1,445,152.80 and 289,539.18 is: 434,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,472.38 : 1,445,152.80 = 289,539.18 : x
  2. Step 2: Convert to fraction form
    963,472.38/1,445,152.80 = 289,539.18/x
  3. Step 3: Cross multiply
    963,472.38x = 1,445,152.80 × 289,539.18
  4. Step 4: Simplify right side
    963,472.38x = 418,428,356,686.70
  5. Step 5: Solve for x
    x = 418,428,356,686.70/963,472.38
  6. Step 6: Final answer
    x = 434,292.01

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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.