Home / 678,844.08-1,018,657.80-363,476.88

Finding the Fourth Proportional to 678,844.08, 1,018,657.80 and 363,476.88

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Solution

The fourth proportional to 678,844.08, 1,018,657.80 and 363,476.88 is: 545,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,844.08 : 1,018,657.80 = 363,476.88 : x
  2. Step 2: Convert to fraction form
    678,844.08/1,018,657.80 = 363,476.88/x
  3. Step 3: Cross multiply
    678,844.08x = 1,018,657.80 × 363,476.88
  4. Step 4: Simplify right side
    678,844.08x = 370,258,558,931.66
  5. Step 5: Solve for x
    x = 370,258,558,931.66/678,844.08
  6. Step 6: Final answer
    x = 545,425.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.