Home / 900,360.74-1,349,294.52-450,509.42

Finding the Fourth Proportional to 900,360.74, 1,349,294.52 and 450,509.42

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Solution

The fourth proportional to 900,360.74, 1,349,294.52 and 450,509.42 is: 675,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,360.74 : 1,349,294.52 = 450,509.42 : x
  2. Step 2: Convert to fraction form
    900,360.74/1,349,294.52 = 450,509.42/x
  3. Step 3: Cross multiply
    900,360.74x = 1,349,294.52 × 450,509.42
  4. Step 4: Simplify right side
    900,360.74x = 607,869,891,614.38
  5. Step 5: Solve for x
    x = 607,869,891,614.38/900,360.74
  6. Step 6: Final answer
    x = 675,140.38

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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.