Home / 938,427.45-1,407,993.52-433,230.45

Finding the Fourth Proportional to 938,427.45, 1,407,993.52 and 433,230.45

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Solution

The fourth proportional to 938,427.45, 1,407,993.52 and 433,230.45 is: 650,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,427.45 : 1,407,993.52 = 433,230.45 : x
  2. Step 2: Convert to fraction form
    938,427.45/1,407,993.52 = 433,230.45/x
  3. Step 3: Cross multiply
    938,427.45x = 1,407,993.52 × 433,230.45
  4. Step 4: Simplify right side
    938,427.45x = 609,985,666,266.68
  5. Step 5: Solve for x
    x = 609,985,666,266.68/938,427.45
  6. Step 6: Final answer
    x = 650,008.34

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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.