Home / 688,036.47-949,521.90-382,114.28

Finding the Fourth Proportional to 688,036.47, 949,521.90 and 382,114.28

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Solution

The fourth proportional to 688,036.47, 949,521.90 and 382,114.28 is: 527,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,036.47 : 949,521.90 = 382,114.28 : x
  2. Step 2: Convert to fraction form
    688,036.47/949,521.90 = 382,114.28/x
  3. Step 3: Cross multiply
    688,036.47x = 949,521.90 × 382,114.28
  4. Step 4: Simplify right side
    688,036.47x = 362,825,877,162.73
  5. Step 5: Solve for x
    x = 362,825,877,162.73/688,036.47
  6. Step 6: Final answer
    x = 527,335.24

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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.