Home / 840,005.91-1,159,166.16-477,381.87

Finding the Fourth Proportional to 840,005.91, 1,159,166.16 and 477,381.87

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Solution

The fourth proportional to 840,005.91, 1,159,166.16 and 477,381.87 is: 658,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,005.91 : 1,159,166.16 = 477,381.87 : x
  2. Step 2: Convert to fraction form
    840,005.91/1,159,166.16 = 477,381.87/x
  3. Step 3: Cross multiply
    840,005.91x = 1,159,166.16 × 477,381.87
  4. Step 4: Simplify right side
    840,005.91x = 553,364,909,101.52
  5. Step 5: Solve for x
    x = 553,364,909,101.52/840,005.91
  6. Step 6: Final answer
    x = 658,763.11

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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.