Home / 893,526.52-1,340,387.80-387,739.84

Finding the Fourth Proportional to 893,526.52, 1,340,387.80 and 387,739.84

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Solution

The fourth proportional to 893,526.52, 1,340,387.80 and 387,739.84 is: 581,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,526.52 : 1,340,387.80 = 387,739.84 : x
  2. Step 2: Convert to fraction form
    893,526.52/1,340,387.80 = 387,739.84/x
  3. Step 3: Cross multiply
    893,526.52x = 1,340,387.80 × 387,739.84
  4. Step 4: Simplify right side
    893,526.52x = 519,721,751,109.95
  5. Step 5: Solve for x
    x = 519,721,751,109.95/893,526.52
  6. Step 6: Final answer
    x = 581,652.30

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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.