Home / 840,065.35-1,159,244.59-477,438.88

Finding the Fourth Proportional to 840,065.35, 1,159,244.59 and 477,438.88

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Solution

The fourth proportional to 840,065.35, 1,159,244.59 and 477,438.88 is: 658,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,065.35 : 1,159,244.59 = 477,438.88 : x
  2. Step 2: Convert to fraction form
    840,065.35/1,159,244.59 = 477,438.88/x
  3. Step 3: Cross multiply
    840,065.35x = 1,159,244.59 × 477,438.88
  4. Step 4: Simplify right side
    840,065.35x = 553,468,438,695.66
  5. Step 5: Solve for x
    x = 553,468,438,695.66/840,065.35
  6. Step 6: Final answer
    x = 658,839.74

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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.