Home / 814,639.24-1,124,420.09-508,531.20

Finding the Fourth Proportional to 814,639.24, 1,124,420.09 and 508,531.20

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Solution

The fourth proportional to 814,639.24, 1,124,420.09 and 508,531.20 is: 701,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,639.24 : 1,124,420.09 = 508,531.20 : x
  2. Step 2: Convert to fraction form
    814,639.24/1,124,420.09 = 508,531.20/x
  3. Step 3: Cross multiply
    814,639.24x = 1,124,420.09 × 508,531.20
  4. Step 4: Simplify right side
    814,639.24x = 571,802,697,671.81
  5. Step 5: Solve for x
    x = 571,802,697,671.81/814,639.24
  6. Step 6: Final answer
    x = 701,909.10

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1.5x scale

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.