Home / 810,597.12-1,118,681.94-448,013.18

Finding the Fourth Proportional to 810,597.12, 1,118,681.94 and 448,013.18

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Solution

The fourth proportional to 810,597.12, 1,118,681.94 and 448,013.18 is: 618,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,597.12 : 1,118,681.94 = 448,013.18 : x
  2. Step 2: Convert to fraction form
    810,597.12/1,118,681.94 = 448,013.18/x
  3. Step 3: Cross multiply
    810,597.12x = 1,118,681.94 × 448,013.18
  4. Step 4: Simplify right side
    810,597.12x = 501,184,253,347.97
  5. Step 5: Solve for x
    x = 501,184,253,347.97/810,597.12
  6. Step 6: Final answer
    x = 618,290.20

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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.