Home / 708,641.40-1,063,107.90-235,666.20

Finding the Fourth Proportional to 708,641.40, 1,063,107.90 and 235,666.20

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Solution

The fourth proportional to 708,641.40, 1,063,107.90 and 235,666.20 is: 353,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,641.40 : 1,063,107.90 = 235,666.20 : x
  2. Step 2: Convert to fraction form
    708,641.40/1,063,107.90 = 235,666.20/x
  3. Step 3: Cross multiply
    708,641.40x = 1,063,107.90 × 235,666.20
  4. Step 4: Simplify right side
    708,641.40x = 250,538,598,982.98
  5. Step 5: Solve for x
    x = 250,538,598,982.98/708,641.40
  6. Step 6: Final answer
    x = 353,547.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.