Home / 930,478.89-1,284,091.89-522,652.60

Finding the Fourth Proportional to 930,478.89, 1,284,091.89 and 522,652.60

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Solution

The fourth proportional to 930,478.89, 1,284,091.89 and 522,652.60 is: 721,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,478.89 : 1,284,091.89 = 522,652.60 : x
  2. Step 2: Convert to fraction form
    930,478.89/1,284,091.89 = 522,652.60/x
  3. Step 3: Cross multiply
    930,478.89x = 1,284,091.89 × 522,652.60
  4. Step 4: Simplify right side
    930,478.89x = 671,133,964,592.58
  5. Step 5: Solve for x
    x = 671,133,964,592.58/930,478.89
  6. Step 6: Final answer
    x = 721,278.01

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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.