Home / 817,841.52-1,227,868.53-564,492.12

Finding the Fourth Proportional to 817,841.52, 1,227,868.53 and 564,492.12

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Solution

The fourth proportional to 817,841.52, 1,227,868.53 and 564,492.12 is: 847,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,841.52 : 1,227,868.53 = 564,492.12 : x
  2. Step 2: Convert to fraction form
    817,841.52/1,227,868.53 = 564,492.12/x
  3. Step 3: Cross multiply
    817,841.52x = 1,227,868.53 × 564,492.12
  4. Step 4: Simplify right side
    817,841.52x = 693,122,109,580.98
  5. Step 5: Solve for x
    x = 693,122,109,580.98/817,841.52
  6. Step 6: Final answer
    x = 847,501.74

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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.