Home / 739,342.01-1,019,904.10-642,327.89

Finding the Fourth Proportional to 739,342.01, 1,019,904.10 and 642,327.89

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Solution

The fourth proportional to 739,342.01, 1,019,904.10 and 642,327.89 is: 886,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,342.01 : 1,019,904.10 = 642,327.89 : x
  2. Step 2: Convert to fraction form
    739,342.01/1,019,904.10 = 642,327.89/x
  3. Step 3: Cross multiply
    739,342.01x = 1,019,904.10 × 642,327.89
  4. Step 4: Simplify right side
    739,342.01x = 655,112,841,850.01
  5. Step 5: Solve for x
    x = 655,112,841,850.01/739,342.01
  6. Step 6: Final answer
    x = 886,075.50

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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.