Home / 586,821.40-880,232.10-187,475.20

Finding the Fourth Proportional to 586,821.40, 880,232.10 and 187,475.20

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Solution

The fourth proportional to 586,821.40, 880,232.10 and 187,475.20 is: 281,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,821.40 : 880,232.10 = 187,475.20 : x
  2. Step 2: Convert to fraction form
    586,821.40/880,232.10 = 187,475.20/x
  3. Step 3: Cross multiply
    586,821.40x = 880,232.10 × 187,475.20
  4. Step 4: Simplify right side
    586,821.40x = 165,021,688,993.92
  5. Step 5: Solve for x
    x = 165,021,688,993.92/586,821.40
  6. Step 6: Final answer
    x = 281,212.80

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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.