Home / 724,271.16-999,677.93-494,921.28

Finding the Fourth Proportional to 724,271.16, 999,677.93 and 494,921.28

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Solution

The fourth proportional to 724,271.16, 999,677.93 and 494,921.28 is: 683,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,271.16 : 999,677.93 = 494,921.28 : x
  2. Step 2: Convert to fraction form
    724,271.16/999,677.93 = 494,921.28/x
  3. Step 3: Cross multiply
    724,271.16x = 999,677.93 × 494,921.28
  4. Step 4: Simplify right side
    724,271.16x = 494,761,878,228.74
  5. Step 5: Solve for x
    x = 494,761,878,228.74/724,271.16
  6. Step 6: Final answer
    x = 683,116.91

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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.