Home / 802,602.61-1,107,591.30-440,018.66

Finding the Fourth Proportional to 802,602.61, 1,107,591.30 and 440,018.66

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Solution

The fourth proportional to 802,602.61, 1,107,591.30 and 440,018.66 is: 607,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,602.61 : 1,107,591.30 = 440,018.66 : x
  2. Step 2: Convert to fraction form
    802,602.61/1,107,591.30 = 440,018.66/x
  3. Step 3: Cross multiply
    802,602.61x = 1,107,591.30 × 440,018.66
  4. Step 4: Simplify right side
    802,602.61x = 487,360,842,422.64
  5. Step 5: Solve for x
    x = 487,360,842,422.64/802,602.61
  6. Step 6: Final answer
    x = 607,225.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.