Home / 664,261.48-916,701.10-377,822.84

Finding the Fourth Proportional to 664,261.48, 916,701.10 and 377,822.84

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Solution

The fourth proportional to 664,261.48, 916,701.10 and 377,822.84 is: 521,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,261.48 : 916,701.10 = 377,822.84 : x
  2. Step 2: Convert to fraction form
    664,261.48/916,701.10 = 377,822.84/x
  3. Step 3: Cross multiply
    664,261.48x = 916,701.10 × 377,822.84
  4. Step 4: Simplify right side
    664,261.48x = 346,350,613,033.12
  5. Step 5: Solve for x
    x = 346,350,613,033.12/664,261.48
  6. Step 6: Final answer
    x = 521,407.04

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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.