Home / 918,090.18-1,266,883.77-510,166.17

Finding the Fourth Proportional to 918,090.18, 1,266,883.77 and 510,166.17

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Solution

The fourth proportional to 918,090.18, 1,266,883.77 and 510,166.17 is: 703,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,090.18 : 1,266,883.77 = 510,166.17 : x
  2. Step 2: Convert to fraction form
    918,090.18/1,266,883.77 = 510,166.17/x
  3. Step 3: Cross multiply
    918,090.18x = 1,266,883.77 × 510,166.17
  4. Step 4: Simplify right side
    918,090.18x = 646,321,240,776.06
  5. Step 5: Solve for x
    x = 646,321,240,776.06/918,090.18
  6. Step 6: Final answer
    x = 703,984.48

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Double scale
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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.