Home / 830,175.69-1,245,264.45-231,138.17

Finding the Fourth Proportional to 830,175.69, 1,245,264.45 and 231,138.17

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Solution

The fourth proportional to 830,175.69, 1,245,264.45 and 231,138.17 is: 346,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,175.69 : 1,245,264.45 = 231,138.17 : x
  2. Step 2: Convert to fraction form
    830,175.69/1,245,264.45 = 231,138.17/x
  3. Step 3: Cross multiply
    830,175.69x = 1,245,264.45 × 231,138.17
  4. Step 4: Simplify right side
    830,175.69x = 287,828,146,139.06
  5. Step 5: Solve for x
    x = 287,828,146,139.06/830,175.69
  6. Step 6: Final answer
    x = 346,707.51

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Double scale
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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.