Home / 763,915.88-1,144,752.24-384,314.84

Finding the Fourth Proportional to 763,915.88, 1,144,752.24 and 384,314.84

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Solution

The fourth proportional to 763,915.88, 1,144,752.24 and 384,314.84 is: 575,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,915.88 : 1,144,752.24 = 384,314.84 : x
  2. Step 2: Convert to fraction form
    763,915.88/1,144,752.24 = 384,314.84/x
  3. Step 3: Cross multiply
    763,915.88x = 1,144,752.24 × 384,314.84
  4. Step 4: Simplify right side
    763,915.88x = 439,945,273,955.24
  5. Step 5: Solve for x
    x = 439,945,273,955.24/763,915.88
  6. Step 6: Final answer
    x = 575,908.01

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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.