Home / 712,271.44-1,068,407.20-291,376

Finding the Fourth Proportional to 712,271.44, 1,068,407.20 and 291,376

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Solution

The fourth proportional to 712,271.44, 1,068,407.20 and 291,376 is: 437,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,271.44 : 1,068,407.20 = 291,376 : x
  2. Step 2: Convert to fraction form
    712,271.44/1,068,407.20 = 291,376/x
  3. Step 3: Cross multiply
    712,271.44x = 1,068,407.20 × 291,376
  4. Step 4: Simplify right side
    712,271.44x = 311,308,216,307.20
  5. Step 5: Solve for x
    x = 311,308,216,307.20/712,271.44
  6. Step 6: Final answer
    x = 437,064.02

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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.