Home / 672,507.36-1,009,001.94-288,094.95

Finding the Fourth Proportional to 672,507.36, 1,009,001.94 and 288,094.95

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Solution

The fourth proportional to 672,507.36, 1,009,001.94 and 288,094.95 is: 432,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,507.36 : 1,009,001.94 = 288,094.95 : x
  2. Step 2: Convert to fraction form
    672,507.36/1,009,001.94 = 288,094.95/x
  3. Step 3: Cross multiply
    672,507.36x = 1,009,001.94 × 288,094.95
  4. Step 4: Simplify right side
    672,507.36x = 290,688,363,454.20
  5. Step 5: Solve for x
    x = 290,688,363,454.20/672,507.36
  6. Step 6: Final answer
    x = 432,245.62

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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.