Home / 677,922.48-935,501.76-371,991.42

Finding the Fourth Proportional to 677,922.48, 935,501.76 and 371,991.42

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Solution

The fourth proportional to 677,922.48, 935,501.76 and 371,991.42 is: 513,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,922.48 : 935,501.76 = 371,991.42 : x
  2. Step 2: Convert to fraction form
    677,922.48/935,501.76 = 371,991.42/x
  3. Step 3: Cross multiply
    677,922.48x = 935,501.76 × 371,991.42
  4. Step 4: Simplify right side
    677,922.48x = 347,998,628,114.90
  5. Step 5: Solve for x
    x = 347,998,628,114.90/677,922.48
  6. Step 6: Final answer
    x = 513,331.01

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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.