Home / 915,196.88-1,371,978.60-465,666.32

Finding the Fourth Proportional to 915,196.88, 1,371,978.60 and 465,666.32

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Solution

The fourth proportional to 915,196.88, 1,371,978.60 and 465,666.32 is: 698,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,196.88 : 1,371,978.60 = 465,666.32 : x
  2. Step 2: Convert to fraction form
    915,196.88/1,371,978.60 = 465,666.32/x
  3. Step 3: Cross multiply
    915,196.88x = 1,371,978.60 × 465,666.32
  4. Step 4: Simplify right side
    915,196.88x = 638,884,225,780.75
  5. Step 5: Solve for x
    x = 638,884,225,780.75/915,196.88
  6. Step 6: Final answer
    x = 698,083.92

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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.