Home / 572,428.95-858,666.77-145,975.83

Finding the Fourth Proportional to 572,428.95, 858,666.77 and 145,975.83

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Solution

The fourth proportional to 572,428.95, 858,666.77 and 145,975.83 is: 218,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,428.95 : 858,666.77 = 145,975.83 : x
  2. Step 2: Convert to fraction form
    572,428.95/858,666.77 = 145,975.83/x
  3. Step 3: Cross multiply
    572,428.95x = 858,666.77 × 145,975.83
  4. Step 4: Simplify right side
    572,428.95x = 125,344,593,714.29
  5. Step 5: Solve for x
    x = 125,344,593,714.29/572,428.95
  6. Step 6: Final answer
    x = 218,969.70

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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.