Home / 770,158.80-1,154,460.60-349,736.40

Finding the Fourth Proportional to 770,158.80, 1,154,460.60 and 349,736.40

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Solution

The fourth proportional to 770,158.80, 1,154,460.60 and 349,736.40 is: 524,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,158.80 : 1,154,460.60 = 349,736.40 : x
  2. Step 2: Convert to fraction form
    770,158.80/1,154,460.60 = 349,736.40/x
  3. Step 3: Cross multiply
    770,158.80x = 1,154,460.60 × 349,736.40
  4. Step 4: Simplify right side
    770,158.80x = 403,756,894,185.84
  5. Step 5: Solve for x
    x = 403,756,894,185.84/770,158.80
  6. Step 6: Final answer
    x = 524,251.48

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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.