Home / 914,931.25-1,262,612.41-507,039.75

Finding the Fourth Proportional to 914,931.25, 1,262,612.41 and 507,039.75

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Solution

The fourth proportional to 914,931.25, 1,262,612.41 and 507,039.75 is: 699,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,931.25 : 1,262,612.41 = 507,039.75 : x
  2. Step 2: Convert to fraction form
    914,931.25/1,262,612.41 = 507,039.75/x
  3. Step 3: Cross multiply
    914,931.25x = 1,262,612.41 × 507,039.75
  4. Step 4: Simplify right side
    914,931.25x = 640,194,679,445.70
  5. Step 5: Solve for x
    x = 640,194,679,445.70/914,931.25
  6. Step 6: Final answer
    x = 699,718.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.