Home / 648,422.84-895,013.55-376,612.92

Finding the Fourth Proportional to 648,422.84, 895,013.55 and 376,612.92

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Solution

The fourth proportional to 648,422.84, 895,013.55 and 376,612.92 is: 519,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,422.84 : 895,013.55 = 376,612.92 : x
  2. Step 2: Convert to fraction form
    648,422.84/895,013.55 = 376,612.92/x
  3. Step 3: Cross multiply
    648,422.84x = 895,013.55 × 376,612.92
  4. Step 4: Simplify right side
    648,422.84x = 337,073,666,505.07
  5. Step 5: Solve for x
    x = 337,073,666,505.07/648,422.84
  6. Step 6: Final answer
    x = 519,836.21

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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.