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Finding the Fourth Proportional to 564,216.00, 778,602.88 and 343,370.46

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Solution

The fourth proportional to 564,216.00, 778,602.88 and 343,370.46 is: 473,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,216.00 : 778,602.88 = 343,370.46 : x
  2. Step 2: Convert to fraction form
    564,216.00/778,602.88 = 343,370.46/x
  3. Step 3: Cross multiply
    564,216.00x = 778,602.88 × 343,370.46
  4. Step 4: Simplify right side
    564,216.00x = 267,349,228,204.50
  5. Step 5: Solve for x
    x = 267,349,228,204.50/564,216.00
  6. Step 6: Final answer
    x = 473,841.98

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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.