Home / 878,099.19-1,317,591.65-346,002.09

Finding the Fourth Proportional to 878,099.19, 1,317,591.65 and 346,002.09

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Solution

The fourth proportional to 878,099.19, 1,317,591.65 and 346,002.09 is: 519,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,099.19 : 1,317,591.65 = 346,002.09 : x
  2. Step 2: Convert to fraction form
    878,099.19/1,317,591.65 = 346,002.09/x
  3. Step 3: Cross multiply
    878,099.19x = 1,317,591.65 × 346,002.09
  4. Step 4: Simplify right side
    878,099.19x = 455,889,464,666.55
  5. Step 5: Solve for x
    x = 455,889,464,666.55/878,099.19
  6. Step 6: Final answer
    x = 519,177.64

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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.