Home / 693,437.60-1,040,156.40-357,514.40

Finding the Fourth Proportional to 693,437.60, 1,040,156.40 and 357,514.40

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Solution

The fourth proportional to 693,437.60, 1,040,156.40 and 357,514.40 is: 536,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,437.60 : 1,040,156.40 = 357,514.40 : x
  2. Step 2: Convert to fraction form
    693,437.60/1,040,156.40 = 357,514.40/x
  3. Step 3: Cross multiply
    693,437.60x = 1,040,156.40 × 357,514.40
  4. Step 4: Simplify right side
    693,437.60x = 371,870,891,252.16
  5. Step 5: Solve for x
    x = 371,870,891,252.16/693,437.60
  6. Step 6: Final answer
    x = 536,271.60

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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.