Home / 864,005.10-1,296,007.65-612,062.70

Finding the Fourth Proportional to 864,005.10, 1,296,007.65 and 612,062.70

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Solution

The fourth proportional to 864,005.10, 1,296,007.65 and 612,062.70 is: 918,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,005.10 : 1,296,007.65 = 612,062.70 : x
  2. Step 2: Convert to fraction form
    864,005.10/1,296,007.65 = 612,062.70/x
  3. Step 3: Cross multiply
    864,005.10x = 1,296,007.65 × 612,062.70
  4. Step 4: Simplify right side
    864,005.10x = 793,237,941,479.66
  5. Step 5: Solve for x
    x = 793,237,941,479.66/864,005.10
  6. Step 6: Final answer
    x = 918,094.05

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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.