Home / 878,099.69-1,317,592.40-346,002.59

Finding the Fourth Proportional to 878,099.69, 1,317,592.40 and 346,002.59

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Solution

The fourth proportional to 878,099.69, 1,317,592.40 and 346,002.59 is: 519,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,099.69 : 1,317,592.40 = 346,002.59 : x
  2. Step 2: Convert to fraction form
    878,099.69/1,317,592.40 = 346,002.59/x
  3. Step 3: Cross multiply
    878,099.69x = 1,317,592.40 × 346,002.59
  4. Step 4: Simplify right side
    878,099.69x = 455,890,374,646.34
  5. Step 5: Solve for x
    x = 455,890,374,646.34/878,099.69
  6. Step 6: Final answer
    x = 519,178.38

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1.5x scale

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.