Home / 748,715.80-1,122,547.68-262,278.94

Finding the Fourth Proportional to 748,715.80, 1,122,547.68 and 262,278.94

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Solution

The fourth proportional to 748,715.80, 1,122,547.68 and 262,278.94 is: 393,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,715.80 : 1,122,547.68 = 262,278.94 : x
  2. Step 2: Convert to fraction form
    748,715.80/1,122,547.68 = 262,278.94/x
  3. Step 3: Cross multiply
    748,715.80x = 1,122,547.68 × 262,278.94
  4. Step 4: Simplify right side
    748,715.80x = 294,420,615,609.86
  5. Step 5: Solve for x
    x = 294,420,615,609.86/748,715.80
  6. Step 6: Final answer
    x = 393,234.14

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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.