Home / 758,426.16-1,046,356.13-448,263.70

Finding the Fourth Proportional to 758,426.16, 1,046,356.13 and 448,263.70

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Solution

The fourth proportional to 758,426.16, 1,046,356.13 and 448,263.70 is: 618,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,426.16 : 1,046,356.13 = 448,263.70 : x
  2. Step 2: Convert to fraction form
    758,426.16/1,046,356.13 = 448,263.70/x
  3. Step 3: Cross multiply
    758,426.16x = 1,046,356.13 × 448,263.70
  4. Step 4: Simplify right side
    758,426.16x = 469,043,465,119.70
  5. Step 5: Solve for x
    x = 469,043,465,119.70/758,426.16
  6. Step 6: Final answer
    x = 618,443.16

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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.