Home / 977,670.45-1,349,324.28-542,184.66

Finding the Fourth Proportional to 977,670.45, 1,349,324.28 and 542,184.66

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Solution

The fourth proportional to 977,670.45, 1,349,324.28 and 542,184.66 is: 748,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,670.45 : 1,349,324.28 = 542,184.66 : x
  2. Step 2: Convert to fraction form
    977,670.45/1,349,324.28 = 542,184.66/x
  3. Step 3: Cross multiply
    977,670.45x = 1,349,324.28 × 542,184.66
  4. Step 4: Simplify right side
    977,670.45x = 731,582,925,981.55
  5. Step 5: Solve for x
    x = 731,582,925,981.55/977,670.45
  6. Step 6: Final answer
    x = 748,291.95

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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.