Home / 840,176.64-1,159,397.52-477,550.08

Finding the Fourth Proportional to 840,176.64, 1,159,397.52 and 477,550.08

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Solution

The fourth proportional to 840,176.64, 1,159,397.52 and 477,550.08 is: 658,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,176.64 : 1,159,397.52 = 477,550.08 : x
  2. Step 2: Convert to fraction form
    840,176.64/1,159,397.52 = 477,550.08/x
  3. Step 3: Cross multiply
    840,176.64x = 1,159,397.52 × 477,550.08
  4. Step 4: Simplify right side
    840,176.64x = 553,670,378,427.80
  5. Step 5: Solve for x
    x = 553,670,378,427.80/840,176.64
  6. Step 6: Final answer
    x = 658,992.83

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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.