Home / 635,723.18-878,075.07-475,291.34

Finding the Fourth Proportional to 635,723.18, 878,075.07 and 475,291.34

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Solution

The fourth proportional to 635,723.18, 878,075.07 and 475,291.34 is: 656,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,723.18 : 878,075.07 = 475,291.34 : x
  2. Step 2: Convert to fraction form
    635,723.18/878,075.07 = 475,291.34/x
  3. Step 3: Cross multiply
    635,723.18x = 878,075.07 × 475,291.34
  4. Step 4: Simplify right side
    635,723.18x = 417,341,476,640.89
  5. Step 5: Solve for x
    x = 417,341,476,640.89/635,723.18
  6. Step 6: Final answer
    x = 656,483.03

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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.