Home / 768,628.50-1,060,626.75-446,275.62

Finding the Fourth Proportional to 768,628.50, 1,060,626.75 and 446,275.62

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Solution

The fourth proportional to 768,628.50, 1,060,626.75 and 446,275.62 is: 615,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,628.50 : 1,060,626.75 = 446,275.62 : x
  2. Step 2: Convert to fraction form
    768,628.50/1,060,626.75 = 446,275.62/x
  3. Step 3: Cross multiply
    768,628.50x = 1,060,626.75 × 446,275.62
  4. Step 4: Simplify right side
    768,628.50x = 473,331,860,444.84
  5. Step 5: Solve for x
    x = 473,331,860,444.84/768,628.50
  6. Step 6: Final answer
    x = 615,813.57

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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.