Home / 672,001.80-1,008,002.70-553,806.60

Finding the Fourth Proportional to 672,001.80, 1,008,002.70 and 553,806.60

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Solution

The fourth proportional to 672,001.80, 1,008,002.70 and 553,806.60 is: 830,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,001.80 : 1,008,002.70 = 553,806.60 : x
  2. Step 2: Convert to fraction form
    672,001.80/1,008,002.70 = 553,806.60/x
  3. Step 3: Cross multiply
    672,001.80x = 1,008,002.70 × 553,806.60
  4. Step 4: Simplify right side
    672,001.80x = 558,238,548,077.82
  5. Step 5: Solve for x
    x = 558,238,548,077.82/672,001.80
  6. Step 6: Final answer
    x = 830,709.90

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Similar ratio
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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.