Home / 829,285.17-1,242,631.76-577,058.46

Finding the Fourth Proportional to 829,285.17, 1,242,631.76 and 577,058.46

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Solution

The fourth proportional to 829,285.17, 1,242,631.76 and 577,058.46 is: 864,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,285.17 : 1,242,631.76 = 577,058.46 : x
  2. Step 2: Convert to fraction form
    829,285.17/1,242,631.76 = 577,058.46/x
  3. Step 3: Cross multiply
    829,285.17x = 1,242,631.76 × 577,058.46
  4. Step 4: Simplify right side
    829,285.17x = 717,071,166,887.40
  5. Step 5: Solve for x
    x = 717,071,166,887.40/829,285.17
  6. Step 6: Final answer
    x = 864,685.87

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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.