Home / 962,731.17-1,328,708.93-554,753.61

Finding the Fourth Proportional to 962,731.17, 1,328,708.93 and 554,753.61

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Solution

The fourth proportional to 962,731.17, 1,328,708.93 and 554,753.61 is: 765,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,731.17 : 1,328,708.93 = 554,753.61 : x
  2. Step 2: Convert to fraction form
    962,731.17/1,328,708.93 = 554,753.61/x
  3. Step 3: Cross multiply
    962,731.17x = 1,328,708.93 × 554,753.61
  4. Step 4: Simplify right side
    962,731.17x = 737,106,075,556.74
  5. Step 5: Solve for x
    x = 737,106,075,556.74/962,731.17
  6. Step 6: Final answer
    x = 765,640.61

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1.5x scale

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.