Home / 770,213.80-1,155,320.70-237,687.40

Finding the Fourth Proportional to 770,213.80, 1,155,320.70 and 237,687.40

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Solution

The fourth proportional to 770,213.80, 1,155,320.70 and 237,687.40 is: 356,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,213.80 : 1,155,320.70 = 237,687.40 : x
  2. Step 2: Convert to fraction form
    770,213.80/1,155,320.70 = 237,687.40/x
  3. Step 3: Cross multiply
    770,213.80x = 1,155,320.70 × 237,687.40
  4. Step 4: Simplify right side
    770,213.80x = 274,605,173,349.18
  5. Step 5: Solve for x
    x = 274,605,173,349.18/770,213.80
  6. Step 6: Final answer
    x = 356,531.10

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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.