Home / 900,000.69-1,350,002.30-367,521.71

Finding the Fourth Proportional to 900,000.69, 1,350,002.30 and 367,521.71

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Solution

The fourth proportional to 900,000.69, 1,350,002.30 and 367,521.71 is: 551,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,000.69 : 1,350,002.30 = 367,521.71 : x
  2. Step 2: Convert to fraction form
    900,000.69/1,350,002.30 = 367,521.71/x
  3. Step 3: Cross multiply
    900,000.69x = 1,350,002.30 × 367,521.71
  4. Step 4: Simplify right side
    900,000.69x = 496,155,145,212.31
  5. Step 5: Solve for x
    x = 496,155,145,212.31/900,000.69
  6. Step 6: Final answer
    x = 551,283.07

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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.