Home / 709,686.21-1,064,544.27-254,307.12

Finding the Fourth Proportional to 709,686.21, 1,064,544.27 and 254,307.12

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Solution

The fourth proportional to 709,686.21, 1,064,544.27 and 254,307.12 is: 381,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,686.21 : 1,064,544.27 = 254,307.12 : x
  2. Step 2: Convert to fraction form
    709,686.21/1,064,544.27 = 254,307.12/x
  3. Step 3: Cross multiply
    709,686.21x = 1,064,544.27 × 254,307.12
  4. Step 4: Simplify right side
    709,686.21x = 270,721,186,895.02
  5. Step 5: Solve for x
    x = 270,721,186,895.02/709,686.21
  6. Step 6: Final answer
    x = 381,466.04

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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.