Home / 830,706.45-1,146,398.92-468,110.36

Finding the Fourth Proportional to 830,706.45, 1,146,398.92 and 468,110.36

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Solution

The fourth proportional to 830,706.45, 1,146,398.92 and 468,110.36 is: 646,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,706.45 : 1,146,398.92 = 468,110.36 : x
  2. Step 2: Convert to fraction form
    830,706.45/1,146,398.92 = 468,110.36/x
  3. Step 3: Cross multiply
    830,706.45x = 1,146,398.92 × 468,110.36
  4. Step 4: Simplify right side
    830,706.45x = 536,641,204,242.54
  5. Step 5: Solve for x
    x = 536,641,204,242.54/830,706.45
  6. Step 6: Final answer
    x = 646,005.82

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1.5x scale

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.