Home / 742,379.80-1,024,473.10-436,490.52

Finding the Fourth Proportional to 742,379.80, 1,024,473.10 and 436,490.52

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Solution

The fourth proportional to 742,379.80, 1,024,473.10 and 436,490.52 is: 602,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,379.80 : 1,024,473.10 = 436,490.52 : x
  2. Step 2: Convert to fraction form
    742,379.80/1,024,473.10 = 436,490.52/x
  3. Step 3: Cross multiply
    742,379.80x = 1,024,473.10 × 436,490.52
  4. Step 4: Simplify right side
    742,379.80x = 447,172,796,145.01
  5. Step 5: Solve for x
    x = 447,172,796,145.01/742,379.80
  6. Step 6: Final answer
    x = 602,350.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.