Home / 770,858.64-1,155,623.49-297,875.88

Finding the Fourth Proportional to 770,858.64, 1,155,623.49 and 297,875.88

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Solution

The fourth proportional to 770,858.64, 1,155,623.49 and 297,875.88 is: 446,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,858.64 : 1,155,623.49 = 297,875.88 : x
  2. Step 2: Convert to fraction form
    770,858.64/1,155,623.49 = 297,875.88/x
  3. Step 3: Cross multiply
    770,858.64x = 1,155,623.49 × 297,875.88
  4. Step 4: Simplify right side
    770,858.64x = 344,232,364,032.42
  5. Step 5: Solve for x
    x = 344,232,364,032.42/770,858.64
  6. Step 6: Final answer
    x = 446,557.05

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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.