Home / 686,373.52-946,875.06-431,865.04

Finding the Fourth Proportional to 686,373.52, 946,875.06 and 431,865.04

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Solution

The fourth proportional to 686,373.52, 946,875.06 and 431,865.04 is: 595,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,373.52 : 946,875.06 = 431,865.04 : x
  2. Step 2: Convert to fraction form
    686,373.52/946,875.06 = 431,865.04/x
  3. Step 3: Cross multiply
    686,373.52x = 946,875.06 × 431,865.04
  4. Step 4: Simplify right side
    686,373.52x = 408,922,235,661.90
  5. Step 5: Solve for x
    x = 408,922,235,661.90/686,373.52
  6. Step 6: Final answer
    x = 595,772.16

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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.