Home / 648,030.16-971,933.22-292,961.68

Finding the Fourth Proportional to 648,030.16, 971,933.22 and 292,961.68

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Solution

The fourth proportional to 648,030.16, 971,933.22 and 292,961.68 is: 439,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,030.16 : 971,933.22 = 292,961.68 : x
  2. Step 2: Convert to fraction form
    648,030.16/971,933.22 = 292,961.68/x
  3. Step 3: Cross multiply
    648,030.16x = 971,933.22 × 292,961.68
  4. Step 4: Simplify right side
    648,030.16x = 284,739,188,979.01
  5. Step 5: Solve for x
    x = 284,739,188,979.01/648,030.16
  6. Step 6: Final answer
    x = 439,391.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.