Home / 724,727.58-999,963-438,241.65

Finding the Fourth Proportional to 724,727.58, 999,963 and 438,241.65

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Solution

The fourth proportional to 724,727.58, 999,963 and 438,241.65 is: 604,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,727.58 : 999,963 = 438,241.65 : x
  2. Step 2: Convert to fraction form
    724,727.58/999,963 = 438,241.65/x
  3. Step 3: Cross multiply
    724,727.58x = 999,963 × 438,241.65
  4. Step 4: Simplify right side
    724,727.58x = 438,225,435,058.95
  5. Step 5: Solve for x
    x = 438,225,435,058.95/724,727.58
  6. Step 6: Final answer
    x = 604,676.08

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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.