Home / 915,603.32-1,372,010.75-465,649.94

Finding the Fourth Proportional to 915,603.32, 1,372,010.75 and 465,649.94

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Solution

The fourth proportional to 915,603.32, 1,372,010.75 and 465,649.94 is: 697,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,603.32 : 1,372,010.75 = 465,649.94 : x
  2. Step 2: Convert to fraction form
    915,603.32/1,372,010.75 = 465,649.94/x
  3. Step 3: Cross multiply
    915,603.32x = 1,372,010.75 × 465,649.94
  4. Step 4: Simplify right side
    915,603.32x = 638,876,714,228.55
  5. Step 5: Solve for x
    x = 638,876,714,228.55/915,603.32
  6. Step 6: Final answer
    x = 697,765.84

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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.