Home / 878,746.20-1,318,265.10-346,284.60

Finding the Fourth Proportional to 878,746.20, 1,318,265.10 and 346,284.60

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Solution

The fourth proportional to 878,746.20, 1,318,265.10 and 346,284.60 is: 519,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,746.20 : 1,318,265.10 = 346,284.60 : x
  2. Step 2: Convert to fraction form
    878,746.20/1,318,265.10 = 346,284.60/x
  3. Step 3: Cross multiply
    878,746.20x = 1,318,265.10 × 346,284.60
  4. Step 4: Simplify right side
    878,746.20x = 456,494,902,847.46
  5. Step 5: Solve for x
    x = 456,494,902,847.46/878,746.20
  6. Step 6: Final answer
    x = 519,484.35

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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.