Home / 672,239.40-1,005,443.10-601,672.20

Finding the Fourth Proportional to 672,239.40, 1,005,443.10 and 601,672.20

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Solution

The fourth proportional to 672,239.40, 1,005,443.10 and 601,672.20 is: 899,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,239.40 : 1,005,443.10 = 601,672.20 : x
  2. Step 2: Convert to fraction form
    672,239.40/1,005,443.10 = 601,672.20/x
  3. Step 3: Cross multiply
    672,239.40x = 1,005,443.10 × 601,672.20
  4. Step 4: Simplify right side
    672,239.40x = 604,947,161,951.82
  5. Step 5: Solve for x
    x = 604,947,161,951.82/672,239.40
  6. Step 6: Final answer
    x = 899,898.40

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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.