Home / 918,061.56-1,266,938.13-504,636.63

Finding the Fourth Proportional to 918,061.56, 1,266,938.13 and 504,636.63

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Solution

The fourth proportional to 918,061.56, 1,266,938.13 and 504,636.63 is: 696,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,061.56 : 1,266,938.13 = 504,636.63 : x
  2. Step 2: Convert to fraction form
    918,061.56/1,266,938.13 = 504,636.63/x
  3. Step 3: Cross multiply
    918,061.56x = 1,266,938.13 × 504,636.63
  4. Step 4: Simplify right side
    918,061.56x = 639,343,388,341.70
  5. Step 5: Solve for x
    x = 639,343,388,341.70/918,061.56
  6. Step 6: Final answer
    x = 696,405.79

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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.