Home / 871,983.40-1,308,018.30-452,079.40

Finding the Fourth Proportional to 871,983.40, 1,308,018.30 and 452,079.40

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Solution

The fourth proportional to 871,983.40, 1,308,018.30 and 452,079.40 is: 678,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,983.40 : 1,308,018.30 = 452,079.40 : x
  2. Step 2: Convert to fraction form
    871,983.40/1,308,018.30 = 452,079.40/x
  3. Step 3: Cross multiply
    871,983.40x = 1,308,018.30 × 452,079.40
  4. Step 4: Simplify right side
    871,983.40x = 591,328,128,253.02
  5. Step 5: Solve for x
    x = 591,328,128,253.02/871,983.40
  6. Step 6: Final answer
    x = 678,141.50

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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.