Home / 691,426.20-1,037,139.30-551,458.20

Finding the Fourth Proportional to 691,426.20, 1,037,139.30 and 551,458.20

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Solution

The fourth proportional to 691,426.20, 1,037,139.30 and 551,458.20 is: 827,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,426.20 : 1,037,139.30 = 551,458.20 : x
  2. Step 2: Convert to fraction form
    691,426.20/1,037,139.30 = 551,458.20/x
  3. Step 3: Cross multiply
    691,426.20x = 1,037,139.30 × 551,458.20
  4. Step 4: Simplify right side
    691,426.20x = 571,938,971,527.26
  5. Step 5: Solve for x
    x = 571,938,971,527.26/691,426.20
  6. Step 6: Final answer
    x = 827,187.30

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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.