Home / 937,281.80-1,405,922.70-338,335.40

Finding the Fourth Proportional to 937,281.80, 1,405,922.70 and 338,335.40

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Solution

The fourth proportional to 937,281.80, 1,405,922.70 and 338,335.40 is: 507,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,281.80 : 1,405,922.70 = 338,335.40 : x
  2. Step 2: Convert to fraction form
    937,281.80/1,405,922.70 = 338,335.40/x
  3. Step 3: Cross multiply
    937,281.80x = 1,405,922.70 × 338,335.40
  4. Step 4: Simplify right side
    937,281.80x = 475,673,419,073.58
  5. Step 5: Solve for x
    x = 475,673,419,073.58/937,281.80
  6. Step 6: Final answer
    x = 507,503.10

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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.