Home / 579,031.07-799,062.95-320,924.68

Finding the Fourth Proportional to 579,031.07, 799,062.95 and 320,924.68

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Solution

The fourth proportional to 579,031.07, 799,062.95 and 320,924.68 is: 442,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,031.07 : 799,062.95 = 320,924.68 : x
  2. Step 2: Convert to fraction form
    579,031.07/799,062.95 = 320,924.68/x
  3. Step 3: Cross multiply
    579,031.07x = 799,062.95 × 320,924.68
  4. Step 4: Simplify right side
    579,031.07x = 256,439,021,528.61
  5. Step 5: Solve for x
    x = 256,439,021,528.61/579,031.07
  6. Step 6: Final answer
    x = 442,876.10

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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.