Home / 559,955.12-772,803.66-318,274

Finding the Fourth Proportional to 559,955.12, 772,803.66 and 318,274

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Solution

The fourth proportional to 559,955.12, 772,803.66 and 318,274 is: 439,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,955.12 : 772,803.66 = 318,274 : x
  2. Step 2: Convert to fraction form
    559,955.12/772,803.66 = 318,274/x
  3. Step 3: Cross multiply
    559,955.12x = 772,803.66 × 318,274
  4. Step 4: Simplify right side
    559,955.12x = 245,963,312,082.84
  5. Step 5: Solve for x
    x = 245,963,312,082.84/559,955.12
  6. Step 6: Final answer
    x = 439,255.40

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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.