Home / 914,500.40-1,371,750.60-415,864.40

Finding the Fourth Proportional to 914,500.40, 1,371,750.60 and 415,864.40

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Solution

The fourth proportional to 914,500.40, 1,371,750.60 and 415,864.40 is: 623,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,500.40 : 1,371,750.60 = 415,864.40 : x
  2. Step 2: Convert to fraction form
    914,500.40/1,371,750.60 = 415,864.40/x
  3. Step 3: Cross multiply
    914,500.40x = 1,371,750.60 × 415,864.40
  4. Step 4: Simplify right side
    914,500.40x = 570,462,240,218.64
  5. Step 5: Solve for x
    x = 570,462,240,218.64/914,500.40
  6. Step 6: Final answer
    x = 623,796.60

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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.