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Finding the Fourth Proportional to 554,572.75, 765,306.03 and 299,923.93

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Solution

The fourth proportional to 554,572.75, 765,306.03 and 299,923.93 is: 413,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,572.75 : 765,306.03 = 299,923.93 : x
  2. Step 2: Convert to fraction form
    554,572.75/765,306.03 = 299,923.93/x
  3. Step 3: Cross multiply
    554,572.75x = 765,306.03 × 299,923.93
  4. Step 4: Simplify right side
    554,572.75x = 229,533,592,170.30
  5. Step 5: Solve for x
    x = 229,533,592,170.30/554,572.75
  6. Step 6: Final answer
    x = 413,892.66

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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.