Home / 778,968.30-1,168,343.10-246,543.15

Finding the Fourth Proportional to 778,968.30, 1,168,343.10 and 246,543.15

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Solution

The fourth proportional to 778,968.30, 1,168,343.10 and 246,543.15 is: 369,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,968.30 : 1,168,343.10 = 246,543.15 : x
  2. Step 2: Convert to fraction form
    778,968.30/1,168,343.10 = 246,543.15/x
  3. Step 3: Cross multiply
    778,968.30x = 1,168,343.10 × 246,543.15
  4. Step 4: Simplify right side
    778,968.30x = 288,046,988,154.77
  5. Step 5: Solve for x
    x = 288,046,988,154.77/778,968.30
  6. Step 6: Final answer
    x = 369,780.12

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1.5x scale

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.