Home / 786,926.16-1,085,961.48-429,237.84

Finding the Fourth Proportional to 786,926.16, 1,085,961.48 and 429,237.84

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Solution

The fourth proportional to 786,926.16, 1,085,961.48 and 429,237.84 is: 592,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,926.16 : 1,085,961.48 = 429,237.84 : x
  2. Step 2: Convert to fraction form
    786,926.16/1,085,961.48 = 429,237.84/x
  3. Step 3: Cross multiply
    786,926.16x = 1,085,961.48 × 429,237.84
  4. Step 4: Simplify right side
    786,926.16x = 466,135,759,998.40
  5. Step 5: Solve for x
    x = 466,135,759,998.40/786,926.16
  6. Step 6: Final answer
    x = 592,350.06

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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.