Home / 758,505.48-1,046,684.34-418,947

Finding the Fourth Proportional to 758,505.48, 1,046,684.34 and 418,947

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Solution

The fourth proportional to 758,505.48, 1,046,684.34 and 418,947 is: 578,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,505.48 : 1,046,684.34 = 418,947 : x
  2. Step 2: Convert to fraction form
    758,505.48/1,046,684.34 = 418,947/x
  3. Step 3: Cross multiply
    758,505.48x = 1,046,684.34 × 418,947
  4. Step 4: Simplify right side
    758,505.48x = 438,505,264,189.98
  5. Step 5: Solve for x
    x = 438,505,264,189.98/758,505.48
  6. Step 6: Final answer
    x = 578,117.46

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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.