Home / 778,851.20-1,168,386.15-246,316.70

Finding the Fourth Proportional to 778,851.20, 1,168,386.15 and 246,316.70

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Solution

The fourth proportional to 778,851.20, 1,168,386.15 and 246,316.70 is: 369,509.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,851.20 : 1,168,386.15 = 246,316.70 : x
  2. Step 2: Convert to fraction form
    778,851.20/1,168,386.15 = 246,316.70/x
  3. Step 3: Cross multiply
    778,851.20x = 1,168,386.15 × 246,316.70
  4. Step 4: Simplify right side
    778,851.20x = 287,793,020,793.71
  5. Step 5: Solve for x
    x = 287,793,020,793.71/778,851.20
  6. Step 6: Final answer
    x = 369,509.63

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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.