Home / 918,002.16-1,266,840.54-510,102.36

Finding the Fourth Proportional to 918,002.16, 1,266,840.54 and 510,102.36

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Solution

The fourth proportional to 918,002.16, 1,266,840.54 and 510,102.36 is: 703,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,002.16 : 1,266,840.54 = 510,102.36 : x
  2. Step 2: Convert to fraction form
    918,002.16/1,266,840.54 = 510,102.36/x
  3. Step 3: Cross multiply
    918,002.16x = 1,266,840.54 × 510,102.36
  4. Step 4: Simplify right side
    918,002.16x = 646,218,349,197.68
  5. Step 5: Solve for x
    x = 646,218,349,197.68/918,002.16
  6. Step 6: Final answer
    x = 703,939.90

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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.