Home / 938,537.36-1,407,806.02-432,948.75

Finding the Fourth Proportional to 938,537.36, 1,407,806.02 and 432,948.75

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Solution

The fourth proportional to 938,537.36, 1,407,806.02 and 432,948.75 is: 649,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,537.36 : 1,407,806.02 = 432,948.75 : x
  2. Step 2: Convert to fraction form
    938,537.36/1,407,806.02 = 432,948.75/x
  3. Step 3: Cross multiply
    938,537.36x = 1,407,806.02 × 432,948.75
  4. Step 4: Simplify right side
    938,537.36x = 609,507,854,436.73
  5. Step 5: Solve for x
    x = 609,507,854,436.73/938,537.36
  6. Step 6: Final answer
    x = 649,423.11

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1.5x scale

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.