Home / 1,031,701.60-1,547,771.10-311,984.20

Finding the Fourth Proportional to 1,031,701.60, 1,547,771.10 and 311,984.20

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Solution

The fourth proportional to 1,031,701.60, 1,547,771.10 and 311,984.20 is: 468,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,701.60 : 1,547,771.10 = 311,984.20 : x
  2. Step 2: Convert to fraction form
    1,031,701.60/1,547,771.10 = 311,984.20/x
  3. Step 3: Cross multiply
    1,031,701.60x = 1,547,771.10 × 311,984.20
  4. Step 4: Simplify right side
    1,031,701.60x = 482,880,128,416.62
  5. Step 5: Solve for x
    x = 482,880,128,416.62/1,031,701.60
  6. Step 6: Final answer
    x = 468,042.43

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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.