Home / 724,275.47-999,683.88-494,925.59

Finding the Fourth Proportional to 724,275.47, 999,683.88 and 494,925.59

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Solution

The fourth proportional to 724,275.47, 999,683.88 and 494,925.59 is: 683,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,275.47 : 999,683.88 = 494,925.59 : x
  2. Step 2: Convert to fraction form
    724,275.47/999,683.88 = 494,925.59/x
  3. Step 3: Cross multiply
    724,275.47x = 999,683.88 × 494,925.59
  4. Step 4: Simplify right side
    724,275.47x = 494,769,136,621.70
  5. Step 5: Solve for x
    x = 494,769,136,621.70/724,275.47
  6. Step 6: Final answer
    x = 683,122.87

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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.