Home / 717,999.30-1,076,998.95-648,015.30

Finding the Fourth Proportional to 717,999.30, 1,076,998.95 and 648,015.30

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Solution

The fourth proportional to 717,999.30, 1,076,998.95 and 648,015.30 is: 972,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,999.30 : 1,076,998.95 = 648,015.30 : x
  2. Step 2: Convert to fraction form
    717,999.30/1,076,998.95 = 648,015.30/x
  3. Step 3: Cross multiply
    717,999.30x = 1,076,998.95 × 648,015.30
  4. Step 4: Simplify right side
    717,999.30x = 697,911,797,683.94
  5. Step 5: Solve for x
    x = 697,911,797,683.94/717,999.30
  6. Step 6: Final answer
    x = 972,022.95

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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.