Home / 686,095.60-946,812.36-375,996.84

Finding the Fourth Proportional to 686,095.60, 946,812.36 and 375,996.84

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Solution

The fourth proportional to 686,095.60, 946,812.36 and 375,996.84 is: 518,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,095.60 : 946,812.36 = 375,996.84 : x
  2. Step 2: Convert to fraction form
    686,095.60/946,812.36 = 375,996.84/x
  3. Step 3: Cross multiply
    686,095.60x = 946,812.36 × 375,996.84
  4. Step 4: Simplify right side
    686,095.60x = 355,998,455,432.94
  5. Step 5: Solve for x
    x = 355,998,455,432.94/686,095.60
  6. Step 6: Final answer
    x = 518,875.88

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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.