Home / 769,437.04-1,154,287.68-343,124.32

Finding the Fourth Proportional to 769,437.04, 1,154,287.68 and 343,124.32

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Solution

The fourth proportional to 769,437.04, 1,154,287.68 and 343,124.32 is: 514,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,437.04 : 1,154,287.68 = 343,124.32 : x
  2. Step 2: Convert to fraction form
    769,437.04/1,154,287.68 = 343,124.32/x
  3. Step 3: Cross multiply
    769,437.04x = 1,154,287.68 × 343,124.32
  4. Step 4: Simplify right side
    769,437.04x = 396,064,175,284.38
  5. Step 5: Solve for x
    x = 396,064,175,284.38/769,437.04
  6. Step 6: Final answer
    x = 514,745.40

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1.5x scale

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.