Home / 672,000.80-1,008,001.20-546,029.60

Finding the Fourth Proportional to 672,000.80, 1,008,001.20 and 546,029.60

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Solution

The fourth proportional to 672,000.80, 1,008,001.20 and 546,029.60 is: 819,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,000.80 : 1,008,001.20 = 546,029.60 : x
  2. Step 2: Convert to fraction form
    672,000.80/1,008,001.20 = 546,029.60/x
  3. Step 3: Cross multiply
    672,000.80x = 1,008,001.20 × 546,029.60
  4. Step 4: Simplify right side
    672,000.80x = 550,398,492,035.52
  5. Step 5: Solve for x
    x = 550,398,492,035.52/672,000.80
  6. Step 6: Final answer
    x = 819,044.40

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1.5x scale

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.