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Finding the Fourth Proportional to 530,660.86, 732,275.04 and 301,222.78

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Solution

The fourth proportional to 530,660.86, 732,275.04 and 301,222.78 is: 415,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,660.86 : 732,275.04 = 301,222.78 : x
  2. Step 2: Convert to fraction form
    530,660.86/732,275.04 = 301,222.78/x
  3. Step 3: Cross multiply
    530,660.86x = 732,275.04 × 301,222.78
  4. Step 4: Simplify right side
    530,660.86x = 220,577,923,273.41
  5. Step 5: Solve for x
    x = 220,577,923,273.41/530,660.86
  6. Step 6: Final answer
    x = 415,666.46

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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.