Home / 645,998.20-967,247.70-506,030.20

Finding the Fourth Proportional to 645,998.20, 967,247.70 and 506,030.20

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Solution

The fourth proportional to 645,998.20, 967,247.70 and 506,030.20 is: 757,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,998.20 : 967,247.70 = 506,030.20 : x
  2. Step 2: Convert to fraction form
    645,998.20/967,247.70 = 506,030.20/x
  3. Step 3: Cross multiply
    645,998.20x = 967,247.70 × 506,030.20
  4. Step 4: Simplify right side
    645,998.20x = 489,456,547,080.54
  5. Step 5: Solve for x
    x = 489,456,547,080.54/645,998.20
  6. Step 6: Final answer
    x = 757,674.78

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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.