Home / 709,038.38-1,063,557.57-210,402.38

Finding the Fourth Proportional to 709,038.38, 1,063,557.57 and 210,402.38

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Solution

The fourth proportional to 709,038.38, 1,063,557.57 and 210,402.38 is: 315,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,038.38 : 1,063,557.57 = 210,402.38 : x
  2. Step 2: Convert to fraction form
    709,038.38/1,063,557.57 = 210,402.38/x
  3. Step 3: Cross multiply
    709,038.38x = 1,063,557.57 × 210,402.38
  4. Step 4: Simplify right side
    709,038.38x = 223,775,038,677.23
  5. Step 5: Solve for x
    x = 223,775,038,677.23/709,038.38
  6. Step 6: Final answer
    x = 315,603.56

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Similar ratio
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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.