Home / 840,301.08-1,159,713.52-477,779.26

Finding the Fourth Proportional to 840,301.08, 1,159,713.52 and 477,779.26

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Solution

The fourth proportional to 840,301.08, 1,159,713.52 and 477,779.26 is: 659,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,301.08 : 1,159,713.52 = 477,779.26 : x
  2. Step 2: Convert to fraction form
    840,301.08/1,159,713.52 = 477,779.26/x
  3. Step 3: Cross multiply
    840,301.08x = 1,159,713.52 × 477,779.26
  4. Step 4: Simplify right side
    840,301.08x = 554,087,067,397.60
  5. Step 5: Solve for x
    x = 554,087,067,397.60/840,301.08
  6. Step 6: Final answer
    x = 659,391.12

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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.