Home / 758,347.84-1,046,526.24-418,821.76

Finding the Fourth Proportional to 758,347.84, 1,046,526.24 and 418,821.76

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Solution

The fourth proportional to 758,347.84, 1,046,526.24 and 418,821.76 is: 577,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,347.84 : 1,046,526.24 = 418,821.76 : x
  2. Step 2: Convert to fraction form
    758,347.84/1,046,526.24 = 418,821.76/x
  3. Step 3: Cross multiply
    758,347.84x = 1,046,526.24 × 418,821.76
  4. Step 4: Simplify right side
    758,347.84x = 438,307,961,722.98
  5. Step 5: Solve for x
    x = 438,307,961,722.98/758,347.84
  6. Step 6: Final answer
    x = 577,977.46

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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.