Home / 867,079.84-1,301,034.48-306,378.40

Finding the Fourth Proportional to 867,079.84, 1,301,034.48 and 306,378.40

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Solution

The fourth proportional to 867,079.84, 1,301,034.48 and 306,378.40 is: 459,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,079.84 : 1,301,034.48 = 306,378.40 : x
  2. Step 2: Convert to fraction form
    867,079.84/1,301,034.48 = 306,378.40/x
  3. Step 3: Cross multiply
    867,079.84x = 1,301,034.48 × 306,378.40
  4. Step 4: Simplify right side
    867,079.84x = 398,608,862,327.23
  5. Step 5: Solve for x
    x = 398,608,862,327.23/867,079.84
  6. Step 6: Final answer
    x = 459,714.14

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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.