Home / 770,078.42-1,062,748.08-443,439.95

Finding the Fourth Proportional to 770,078.42, 1,062,748.08 and 443,439.95

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Solution

The fourth proportional to 770,078.42, 1,062,748.08 and 443,439.95 is: 611,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,078.42 : 1,062,748.08 = 443,439.95 : x
  2. Step 2: Convert to fraction form
    770,078.42/1,062,748.08 = 443,439.95/x
  3. Step 3: Cross multiply
    770,078.42x = 1,062,748.08 × 443,439.95
  4. Step 4: Simplify right side
    770,078.42x = 471,264,955,457.80
  5. Step 5: Solve for x
    x = 471,264,955,457.80/770,078.42
  6. Step 6: Final answer
    x = 611,970.08

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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.