Home / 779,807.68-1,167,050.04-653,590.40

Finding the Fourth Proportional to 779,807.68, 1,167,050.04 and 653,590.40

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Solution

The fourth proportional to 779,807.68, 1,167,050.04 and 653,590.40 is: 978,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,807.68 : 1,167,050.04 = 653,590.40 : x
  2. Step 2: Convert to fraction form
    779,807.68/1,167,050.04 = 653,590.40/x
  3. Step 3: Cross multiply
    779,807.68x = 1,167,050.04 × 653,590.40
  4. Step 4: Simplify right side
    779,807.68x = 762,772,702,463.62
  5. Step 5: Solve for x
    x = 762,772,702,463.62/779,807.68
  6. Step 6: Final answer
    x = 978,154.90

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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.