Home / 714,133.55-985,535.09-427,598.87

Finding the Fourth Proportional to 714,133.55, 985,535.09 and 427,598.87

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Solution

The fourth proportional to 714,133.55, 985,535.09 and 427,598.87 is: 590,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,133.55 : 985,535.09 = 427,598.87 : x
  2. Step 2: Convert to fraction form
    714,133.55/985,535.09 = 427,598.87/x
  3. Step 3: Cross multiply
    714,133.55x = 985,535.09 × 427,598.87
  4. Step 4: Simplify right side
    714,133.55x = 421,413,688,691.35
  5. Step 5: Solve for x
    x = 421,413,688,691.35/714,133.55
  6. Step 6: Final answer
    x = 590,104.87

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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.