Home / 460,026.70-688,727.85-407,538.70

Finding the Fourth Proportional to 460,026.70, 688,727.85 and 407,538.70

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Solution

The fourth proportional to 460,026.70, 688,727.85 and 407,538.70 is: 610,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,026.70 : 688,727.85 = 407,538.70 : x
  2. Step 2: Convert to fraction form
    460,026.70/688,727.85 = 407,538.70/x
  3. Step 3: Cross multiply
    460,026.70x = 688,727.85 × 407,538.70
  4. Step 4: Simplify right side
    460,026.70x = 280,683,252,642.80
  5. Step 5: Solve for x
    x = 280,683,252,642.80/460,026.70
  6. Step 6: Final answer
    x = 610,145.57

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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.