Home / 758,441.84-1,046,656.14-418,915.76

Finding the Fourth Proportional to 758,441.84, 1,046,656.14 and 418,915.76

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Solution

The fourth proportional to 758,441.84, 1,046,656.14 and 418,915.76 is: 578,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,441.84 : 1,046,656.14 = 418,915.76 : x
  2. Step 2: Convert to fraction form
    758,441.84/1,046,656.14 = 418,915.76/x
  3. Step 3: Cross multiply
    758,441.84x = 1,046,656.14 × 418,915.76
  4. Step 4: Simplify right side
    758,441.84x = 438,460,752,346.77
  5. Step 5: Solve for x
    x = 438,460,752,346.77/758,441.84
  6. Step 6: Final answer
    x = 578,107.28

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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.