Home / 688,510.62-1,032,737.85-239,333.34

Finding the Fourth Proportional to 688,510.62, 1,032,737.85 and 239,333.34

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Solution

The fourth proportional to 688,510.62, 1,032,737.85 and 239,333.34 is: 358,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,510.62 : 1,032,737.85 = 239,333.34 : x
  2. Step 2: Convert to fraction form
    688,510.62/1,032,737.85 = 239,333.34/x
  3. Step 3: Cross multiply
    688,510.62x = 1,032,737.85 × 239,333.34
  4. Step 4: Simplify right side
    688,510.62x = 247,168,598,984.92
  5. Step 5: Solve for x
    x = 247,168,598,984.92/688,510.62
  6. Step 6: Final answer
    x = 358,990.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.