Home / 840,535.24-1,159,933.02-477,959.11

Finding the Fourth Proportional to 840,535.24, 1,159,933.02 and 477,959.11

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Solution

The fourth proportional to 840,535.24, 1,159,933.02 and 477,959.11 is: 659,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,535.24 : 1,159,933.02 = 477,959.11 : x
  2. Step 2: Convert to fraction form
    840,535.24/1,159,933.02 = 477,959.11/x
  3. Step 3: Cross multiply
    840,535.24x = 1,159,933.02 × 477,959.11
  4. Step 4: Simplify right side
    840,535.24x = 554,400,553,898.81
  5. Step 5: Solve for x
    x = 554,400,553,898.81/840,535.24
  6. Step 6: Final answer
    x = 659,580.38

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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.