Home / 891,376.71-1,337,158.80-260,292.30

Finding the Fourth Proportional to 891,376.71, 1,337,158.80 and 260,292.30

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Solution

The fourth proportional to 891,376.71, 1,337,158.80 and 260,292.30 is: 390,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,376.71 : 1,337,158.80 = 260,292.30 : x
  2. Step 2: Convert to fraction form
    891,376.71/1,337,158.80 = 260,292.30/x
  3. Step 3: Cross multiply
    891,376.71x = 1,337,158.80 × 260,292.30
  4. Step 4: Simplify right side
    891,376.71x = 348,052,139,517.24
  5. Step 5: Solve for x
    x = 348,052,139,517.24/891,376.71
  6. Step 6: Final answer
    x = 390,465.82

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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.