Home / 572,527.20-858,056.40-319,807.20

Finding the Fourth Proportional to 572,527.20, 858,056.40 and 319,807.20

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Solution

The fourth proportional to 572,527.20, 858,056.40 and 319,807.20 is: 479,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,527.20 : 858,056.40 = 319,807.20 : x
  2. Step 2: Convert to fraction form
    572,527.20/858,056.40 = 319,807.20/x
  3. Step 3: Cross multiply
    572,527.20x = 858,056.40 × 319,807.20
  4. Step 4: Simplify right side
    572,527.20x = 274,412,614,726.08
  5. Step 5: Solve for x
    x = 274,412,614,726.08/572,527.20
  6. Step 6: Final answer
    x = 479,300.57

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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.