Home / 820,502.48-1,132,290.96-457,922.36

Finding the Fourth Proportional to 820,502.48, 1,132,290.96 and 457,922.36

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Solution

The fourth proportional to 820,502.48, 1,132,290.96 and 457,922.36 is: 631,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,502.48 : 1,132,290.96 = 457,922.36 : x
  2. Step 2: Convert to fraction form
    820,502.48/1,132,290.96 = 457,922.36/x
  3. Step 3: Cross multiply
    820,502.48x = 1,132,290.96 × 457,922.36
  4. Step 4: Simplify right side
    820,502.48x = 518,501,348,609.87
  5. Step 5: Solve for x
    x = 518,501,348,609.87/820,502.48
  6. Step 6: Final answer
    x = 631,931.48

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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.