Home / 830,859.18-1,146,590.68-463,359.54

Finding the Fourth Proportional to 830,859.18, 1,146,590.68 and 463,359.54

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Solution

The fourth proportional to 830,859.18, 1,146,590.68 and 463,359.54 is: 639,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,859.18 : 1,146,590.68 = 463,359.54 : x
  2. Step 2: Convert to fraction form
    830,859.18/1,146,590.68 = 463,359.54/x
  3. Step 3: Cross multiply
    830,859.18x = 1,146,590.68 × 463,359.54
  4. Step 4: Simplify right side
    830,859.18x = 531,283,730,053.09
  5. Step 5: Solve for x
    x = 531,283,730,053.09/830,859.18
  6. Step 6: Final answer
    x = 639,438.96

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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.