Home / 938,536.52-1,407,804.75-432,947.90

Finding the Fourth Proportional to 938,536.52, 1,407,804.75 and 432,947.90

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Solution

The fourth proportional to 938,536.52, 1,407,804.75 and 432,947.90 is: 649,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,536.52 : 1,407,804.75 = 432,947.90 : x
  2. Step 2: Convert to fraction form
    938,536.52/1,407,804.75 = 432,947.90/x
  3. Step 3: Cross multiply
    938,536.52x = 1,407,804.75 × 432,947.90
  4. Step 4: Simplify right side
    938,536.52x = 609,506,113,642.04
  5. Step 5: Solve for x
    x = 609,506,113,642.04/938,536.52
  6. Step 6: Final answer
    x = 649,421.84

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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.