Home / 826,870.80-1,239,125.40-471,133.20

Finding the Fourth Proportional to 826,870.80, 1,239,125.40 and 471,133.20

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Solution

The fourth proportional to 826,870.80, 1,239,125.40 and 471,133.20 is: 706,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,870.80 : 1,239,125.40 = 471,133.20 : x
  2. Step 2: Convert to fraction form
    826,870.80/1,239,125.40 = 471,133.20/x
  3. Step 3: Cross multiply
    826,870.80x = 1,239,125.40 × 471,133.20
  4. Step 4: Simplify right side
    826,870.80x = 583,793,114,903.28
  5. Step 5: Solve for x
    x = 583,793,114,903.28/826,870.80
  6. Step 6: Final answer
    x = 706,027.01

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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.