Home / 690,779.35-1,036,169.03-410,152.15

Finding the Fourth Proportional to 690,779.35, 1,036,169.03 and 410,152.15

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Solution

The fourth proportional to 690,779.35, 1,036,169.03 and 410,152.15 is: 615,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,779.35 : 1,036,169.03 = 410,152.15 : x
  2. Step 2: Convert to fraction form
    690,779.35/1,036,169.03 = 410,152.15/x
  3. Step 3: Cross multiply
    690,779.35x = 1,036,169.03 × 410,152.15
  4. Step 4: Simplify right side
    690,779.35x = 424,986,955,417.92
  5. Step 5: Solve for x
    x = 424,986,955,417.92/690,779.35
  6. Step 6: Final answer
    x = 615,228.23

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Similar ratio
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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.