Home / 770,492.16-1,155,785.76-297,171.36

Finding the Fourth Proportional to 770,492.16, 1,155,785.76 and 297,171.36

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Solution

The fourth proportional to 770,492.16, 1,155,785.76 and 297,171.36 is: 445,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,492.16 : 1,155,785.76 = 297,171.36 : x
  2. Step 2: Convert to fraction form
    770,492.16/1,155,785.76 = 297,171.36/x
  3. Step 3: Cross multiply
    770,492.16x = 1,155,785.76 × 297,171.36
  4. Step 4: Simplify right side
    770,492.16x = 343,466,426,167.83
  5. Step 5: Solve for x
    x = 343,466,426,167.83/770,492.16
  6. Step 6: Final answer
    x = 445,775.37

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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.