Home / 906,311.71-1,250,742.27-498,445.08

Finding the Fourth Proportional to 906,311.71, 1,250,742.27 and 498,445.08

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Solution

The fourth proportional to 906,311.71, 1,250,742.27 and 498,445.08 is: 687,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,311.71 : 1,250,742.27 = 498,445.08 : x
  2. Step 2: Convert to fraction form
    906,311.71/1,250,742.27 = 498,445.08/x
  3. Step 3: Cross multiply
    906,311.71x = 1,250,742.27 × 498,445.08
  4. Step 4: Simplify right side
    906,311.71x = 623,426,332,075.64
  5. Step 5: Solve for x
    x = 623,426,332,075.64/906,311.71
  6. Step 6: Final answer
    x = 687,871.88

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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.