Home / 810,692.01-1,118,735.28-448,106.55

Finding the Fourth Proportional to 810,692.01, 1,118,735.28 and 448,106.55

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Solution

The fourth proportional to 810,692.01, 1,118,735.28 and 448,106.55 is: 618,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,692.01 : 1,118,735.28 = 448,106.55 : x
  2. Step 2: Convert to fraction form
    810,692.01/1,118,735.28 = 448,106.55/x
  3. Step 3: Cross multiply
    810,692.01x = 1,118,735.28 × 448,106.55
  4. Step 4: Simplify right side
    810,692.01x = 501,312,606,684.08
  5. Step 5: Solve for x
    x = 501,312,606,684.08/810,692.01
  6. Step 6: Final answer
    x = 618,376.15

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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.