Home / 949,071.60-1,309,737.60-519,350.40

Finding the Fourth Proportional to 949,071.60, 1,309,737.60 and 519,350.40

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Solution

The fourth proportional to 949,071.60, 1,309,737.60 and 519,350.40 is: 716,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,071.60 : 1,309,737.60 = 519,350.40 : x
  2. Step 2: Convert to fraction form
    949,071.60/1,309,737.60 = 519,350.40/x
  3. Step 3: Cross multiply
    949,071.60x = 1,309,737.60 × 519,350.40
  4. Step 4: Simplify right side
    949,071.60x = 680,212,746,455.04
  5. Step 5: Solve for x
    x = 680,212,746,455.04/949,071.60
  6. Step 6: Final answer
    x = 716,713.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.