Home / 830,030.78-1,246,165.59-531,094.88

Finding the Fourth Proportional to 830,030.78, 1,246,165.59 and 531,094.88

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Solution

The fourth proportional to 830,030.78, 1,246,165.59 and 531,094.88 is: 797,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,030.78 : 1,246,165.59 = 531,094.88 : x
  2. Step 2: Convert to fraction form
    830,030.78/1,246,165.59 = 531,094.88/x
  3. Step 3: Cross multiply
    830,030.78x = 1,246,165.59 × 531,094.88
  4. Step 4: Simplify right side
    830,030.78x = 661,832,158,250.35
  5. Step 5: Solve for x
    x = 661,832,158,250.35/830,030.78
  6. Step 6: Final answer
    x = 797,358.58

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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.