Home / 916,024.40-1,374,161.40-316,824.80

Finding the Fourth Proportional to 916,024.40, 1,374,161.40 and 316,824.80

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Solution

The fourth proportional to 916,024.40, 1,374,161.40 and 316,824.80 is: 475,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,024.40 : 1,374,161.40 = 316,824.80 : x
  2. Step 2: Convert to fraction form
    916,024.40/1,374,161.40 = 316,824.80/x
  3. Step 3: Cross multiply
    916,024.40x = 1,374,161.40 × 316,824.80
  4. Step 4: Simplify right side
    916,024.40x = 435,368,410,722.72
  5. Step 5: Solve for x
    x = 435,368,410,722.72/916,024.40
  6. Step 6: Final answer
    x = 475,280.36

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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.