Home / 907,456.40-1,361,314.20-308,445.20

Finding the Fourth Proportional to 907,456.40, 1,361,314.20 and 308,445.20

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Solution

The fourth proportional to 907,456.40, 1,361,314.20 and 308,445.20 is: 462,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,456.40 : 1,361,314.20 = 308,445.20 : x
  2. Step 2: Convert to fraction form
    907,456.40/1,361,314.20 = 308,445.20/x
  3. Step 3: Cross multiply
    907,456.40x = 1,361,314.20 × 308,445.20
  4. Step 4: Simplify right side
    907,456.40x = 419,890,830,681.84
  5. Step 5: Solve for x
    x = 419,890,830,681.84/907,456.40
  6. Step 6: Final answer
    x = 462,711.85

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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.