Home / 672,002.30-1,008,003.45-553,807.10

Finding the Fourth Proportional to 672,002.30, 1,008,003.45 and 553,807.10

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Solution

The fourth proportional to 672,002.30, 1,008,003.45 and 553,807.10 is: 830,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,002.30 : 1,008,003.45 = 553,807.10 : x
  2. Step 2: Convert to fraction form
    672,002.30/1,008,003.45 = 553,807.10/x
  3. Step 3: Cross multiply
    672,002.30x = 1,008,003.45 × 553,807.10
  4. Step 4: Simplify right side
    672,002.30x = 558,239,467,434.50
  5. Step 5: Solve for x
    x = 558,239,467,434.50/672,002.30
  6. Step 6: Final answer
    x = 830,710.65

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Double scale
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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.