Home / 878,850.04-1,212,822.60-516,289.18

Finding the Fourth Proportional to 878,850.04, 1,212,822.60 and 516,289.18

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Solution

The fourth proportional to 878,850.04, 1,212,822.60 and 516,289.18 is: 712,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,850.04 : 1,212,822.60 = 516,289.18 : x
  2. Step 2: Convert to fraction form
    878,850.04/1,212,822.60 = 516,289.18/x
  3. Step 3: Cross multiply
    878,850.04x = 1,212,822.60 × 516,289.18
  4. Step 4: Simplify right side
    878,850.04x = 626,167,185,639.47
  5. Step 5: Solve for x
    x = 626,167,185,639.47/878,850.04
  6. Step 6: Final answer
    x = 712,484.68

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1.5x scale

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.