Home / 891,045.42-1,336,257-358,428.30

Finding the Fourth Proportional to 891,045.42, 1,336,257 and 358,428.30

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Solution

The fourth proportional to 891,045.42, 1,336,257 and 358,428.30 is: 537,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,045.42 : 1,336,257 = 358,428.30 : x
  2. Step 2: Convert to fraction form
    891,045.42/1,336,257 = 358,428.30/x
  3. Step 3: Cross multiply
    891,045.42x = 1,336,257 × 358,428.30
  4. Step 4: Simplify right side
    891,045.42x = 478,952,324,873.10
  5. Step 5: Solve for x
    x = 478,952,324,873.10/891,045.42
  6. Step 6: Final answer
    x = 537,517.30

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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.