Home / 676,836.60-1,015,254.90-603,353.40

Finding the Fourth Proportional to 676,836.60, 1,015,254.90 and 603,353.40

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Solution

The fourth proportional to 676,836.60, 1,015,254.90 and 603,353.40 is: 905,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,836.60 : 1,015,254.90 = 603,353.40 : x
  2. Step 2: Convert to fraction form
    676,836.60/1,015,254.90 = 603,353.40/x
  3. Step 3: Cross multiply
    676,836.60x = 1,015,254.90 × 603,353.40
  4. Step 4: Simplify right side
    676,836.60x = 612,557,495,781.66
  5. Step 5: Solve for x
    x = 612,557,495,781.66/676,836.60
  6. Step 6: Final answer
    x = 905,030.10

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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.