Home / 928,611-1,281,483.18-546,872.58

Finding the Fourth Proportional to 928,611, 1,281,483.18 and 546,872.58

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Solution

The fourth proportional to 928,611, 1,281,483.18 and 546,872.58 is: 754,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,611 : 1,281,483.18 = 546,872.58 : x
  2. Step 2: Convert to fraction form
    928,611/1,281,483.18 = 546,872.58/x
  3. Step 3: Cross multiply
    928,611x = 1,281,483.18 × 546,872.58
  4. Step 4: Simplify right side
    928,611x = 700,808,012,873.20
  5. Step 5: Solve for x
    x = 700,808,012,873.20/928,611
  6. Step 6: Final answer
    x = 754,684.16

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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.