Home / 707,405.40-1,061,545.50-286,684.92

Finding the Fourth Proportional to 707,405.40, 1,061,545.50 and 286,684.92

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Solution

The fourth proportional to 707,405.40, 1,061,545.50 and 286,684.92 is: 430,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,405.40 : 1,061,545.50 = 286,684.92 : x
  2. Step 2: Convert to fraction form
    707,405.40/1,061,545.50 = 286,684.92/x
  3. Step 3: Cross multiply
    707,405.40x = 1,061,545.50 × 286,684.92
  4. Step 4: Simplify right side
    707,405.40x = 304,329,086,743.86
  5. Step 5: Solve for x
    x = 304,329,086,743.86/707,405.40
  6. Step 6: Final answer
    x = 430,204.64

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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.