Home / 880,111.28-1,319,955.64-406,341.52

Finding the Fourth Proportional to 880,111.28, 1,319,955.64 and 406,341.52

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Solution

The fourth proportional to 880,111.28, 1,319,955.64 and 406,341.52 is: 609,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,111.28 : 1,319,955.64 = 406,341.52 : x
  2. Step 2: Convert to fraction form
    880,111.28/1,319,955.64 = 406,341.52/x
  3. Step 3: Cross multiply
    880,111.28x = 1,319,955.64 × 406,341.52
  4. Step 4: Simplify right side
    880,111.28x = 536,352,781,090.17
  5. Step 5: Solve for x
    x = 536,352,781,090.17/880,111.28
  6. Step 6: Final answer
    x = 609,414.73

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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.