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Finding the Fourth Proportional to 586,592.98, 809,498.30 and 318,320.98

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Solution

The fourth proportional to 586,592.98, 809,498.30 and 318,320.98 is: 439,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,592.98 : 809,498.30 = 318,320.98 : x
  2. Step 2: Convert to fraction form
    586,592.98/809,498.30 = 318,320.98/x
  3. Step 3: Cross multiply
    586,592.98x = 809,498.30 × 318,320.98
  4. Step 4: Simplify right side
    586,592.98x = 257,680,292,164.33
  5. Step 5: Solve for x
    x = 257,680,292,164.33/586,592.98
  6. Step 6: Final answer
    x = 439,282.95

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1.5x scale

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.