Home / 880,652.45-1,215,300.56-536,488.36

Finding the Fourth Proportional to 880,652.45, 1,215,300.56 and 536,488.36

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Solution

The fourth proportional to 880,652.45, 1,215,300.56 and 536,488.36 is: 740,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,652.45 : 1,215,300.56 = 536,488.36 : x
  2. Step 2: Convert to fraction form
    880,652.45/1,215,300.56 = 536,488.36/x
  3. Step 3: Cross multiply
    880,652.45x = 1,215,300.56 × 536,488.36
  4. Step 4: Simplify right side
    880,652.45x = 651,994,608,474.60
  5. Step 5: Solve for x
    x = 651,994,608,474.60/880,652.45
  6. Step 6: Final answer
    x = 740,354.05

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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.