Home / 697,029.60-1,043,211.60-487,077.60

Finding the Fourth Proportional to 697,029.60, 1,043,211.60 and 487,077.60

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Solution

The fourth proportional to 697,029.60, 1,043,211.60 and 487,077.60 is: 728,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,029.60 : 1,043,211.60 = 487,077.60 : x
  2. Step 2: Convert to fraction form
    697,029.60/1,043,211.60 = 487,077.60/x
  3. Step 3: Cross multiply
    697,029.60x = 1,043,211.60 × 487,077.60
  4. Step 4: Simplify right side
    697,029.60x = 508,125,002,420.16
  5. Step 5: Solve for x
    x = 508,125,002,420.16/697,029.60
  6. Step 6: Final answer
    x = 728,986.26

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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.