Home / 1,488,946.50-2,232,330.90-477,492.71

Finding the Fourth Proportional to 1,488,946.50, 2,232,330.90 and 477,492.71

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Solution

The fourth proportional to 1,488,946.50, 2,232,330.90 and 477,492.71 is: 715,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,946.50 : 2,232,330.90 = 477,492.71 : x
  2. Step 2: Convert to fraction form
    1,488,946.50/2,232,330.90 = 477,492.71/x
  3. Step 3: Cross multiply
    1,488,946.50x = 2,232,330.90 × 477,492.71
  4. Step 4: Simplify right side
    1,488,946.50x = 1,065,921,728,670.28
  5. Step 5: Solve for x
    x = 1,065,921,728,670.28/1,488,946.50
  6. Step 6: Final answer
    x = 715,889.88

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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.