Home / 821,024.46-1,132,878.54-458,390.07

Finding the Fourth Proportional to 821,024.46, 1,132,878.54 and 458,390.07

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Solution

The fourth proportional to 821,024.46, 1,132,878.54 and 458,390.07 is: 632,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,024.46 : 1,132,878.54 = 458,390.07 : x
  2. Step 2: Convert to fraction form
    821,024.46/1,132,878.54 = 458,390.07/x
  3. Step 3: Cross multiply
    821,024.46x = 1,132,878.54 × 458,390.07
  4. Step 4: Simplify right side
    821,024.46x = 519,300,273,252.10
  5. Step 5: Solve for x
    x = 519,300,273,252.10/821,024.46
  6. Step 6: Final answer
    x = 632,502.80

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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.