Home / 758,506.48-1,046,685.72-418,948

Finding the Fourth Proportional to 758,506.48, 1,046,685.72 and 418,948

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Solution

The fourth proportional to 758,506.48, 1,046,685.72 and 418,948 is: 578,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,506.48 : 1,046,685.72 = 418,948 : x
  2. Step 2: Convert to fraction form
    758,506.48/1,046,685.72 = 418,948/x
  3. Step 3: Cross multiply
    758,506.48x = 1,046,685.72 × 418,948
  4. Step 4: Simplify right side
    758,506.48x = 438,506,889,022.56
  5. Step 5: Solve for x
    x = 438,506,889,022.56/758,506.48
  6. Step 6: Final answer
    x = 578,118.84

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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.