Home / 909,005.62-1,254,470.61-506,600.50

Finding the Fourth Proportional to 909,005.62, 1,254,470.61 and 506,600.50

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Solution

The fourth proportional to 909,005.62, 1,254,470.61 and 506,600.50 is: 699,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,005.62 : 1,254,470.61 = 506,600.50 : x
  2. Step 2: Convert to fraction form
    909,005.62/1,254,470.61 = 506,600.50/x
  3. Step 3: Cross multiply
    909,005.62x = 1,254,470.61 × 506,600.50
  4. Step 4: Simplify right side
    909,005.62x = 635,515,438,261.31
  5. Step 5: Solve for x
    x = 635,515,438,261.31/909,005.62
  6. Step 6: Final answer
    x = 699,132.57

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1.5x scale

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.