Home / 930,402.80-1,396,916.40-576,108.80

Finding the Fourth Proportional to 930,402.80, 1,396,916.40 and 576,108.80

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Solution

The fourth proportional to 930,402.80, 1,396,916.40 and 576,108.80 is: 864,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,402.80 : 1,396,916.40 = 576,108.80 : x
  2. Step 2: Convert to fraction form
    930,402.80/1,396,916.40 = 576,108.80/x
  3. Step 3: Cross multiply
    930,402.80x = 1,396,916.40 × 576,108.80
  4. Step 4: Simplify right side
    930,402.80x = 804,775,830,904.32
  5. Step 5: Solve for x
    x = 804,775,830,904.32/930,402.80
  6. Step 6: Final answer
    x = 864,975.72

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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.