Home / 918,078.16-1,266,867.22-510,154.16

Finding the Fourth Proportional to 918,078.16, 1,266,867.22 and 510,154.16

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Solution

The fourth proportional to 918,078.16, 1,266,867.22 and 510,154.16 is: 703,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,078.16 : 1,266,867.22 = 510,154.16 : x
  2. Step 2: Convert to fraction form
    918,078.16/1,266,867.22 = 510,154.16/x
  3. Step 3: Cross multiply
    918,078.16x = 1,266,867.22 × 510,154.16
  4. Step 4: Simplify right side
    918,078.16x = 646,297,582,450.64
  5. Step 5: Solve for x
    x = 646,297,582,450.64/918,078.16
  6. Step 6: Final answer
    x = 703,967.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.