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Finding the Fourth Proportional to 650,309.40, 975,464.10 and 584,043.30

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Solution

The fourth proportional to 650,309.40, 975,464.10 and 584,043.30 is: 876,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,309.40 : 975,464.10 = 584,043.30 : x
  2. Step 2: Convert to fraction form
    650,309.40/975,464.10 = 584,043.30/x
  3. Step 3: Cross multiply
    650,309.40x = 975,464.10 × 584,043.30
  4. Step 4: Simplify right side
    650,309.40x = 569,713,271,995.53
  5. Step 5: Solve for x
    x = 569,713,271,995.53/650,309.40
  6. Step 6: Final answer
    x = 876,064.95

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Double scale
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Similar ratio
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1.5x scale

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.