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Finding the Fourth Proportional to 758,328.48, 1,046,440.62 and 418,770

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Solution

The fourth proportional to 758,328.48, 1,046,440.62 and 418,770 is: 577,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,328.48 : 1,046,440.62 = 418,770 : x
  2. Step 2: Convert to fraction form
    758,328.48/1,046,440.62 = 418,770/x
  3. Step 3: Cross multiply
    758,328.48x = 1,046,440.62 × 418,770
  4. Step 4: Simplify right side
    758,328.48x = 438,217,938,437.40
  5. Step 5: Solve for x
    x = 438,217,938,437.40/758,328.48
  6. Step 6: Final answer
    x = 577,873.51

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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.