Home / 758,427.16-1,046,357.51-448,264.70

Finding the Fourth Proportional to 758,427.16, 1,046,357.51 and 448,264.70

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Solution

The fourth proportional to 758,427.16, 1,046,357.51 and 448,264.70 is: 618,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,427.16 : 1,046,357.51 = 448,264.70 : x
  2. Step 2: Convert to fraction form
    758,427.16/1,046,357.51 = 448,264.70/x
  3. Step 3: Cross multiply
    758,427.16x = 1,046,357.51 × 448,264.70
  4. Step 4: Simplify right side
    758,427.16x = 469,045,135,312.90
  5. Step 5: Solve for x
    x = 469,045,135,312.90/758,427.16
  6. Step 6: Final answer
    x = 618,444.54

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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.