Home / 810,075.60-1,116,570.96-574,408.80

Finding the Fourth Proportional to 810,075.60, 1,116,570.96 and 574,408.80

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Solution

The fourth proportional to 810,075.60, 1,116,570.96 and 574,408.80 is: 791,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,075.60 : 1,116,570.96 = 574,408.80 : x
  2. Step 2: Convert to fraction form
    810,075.60/1,116,570.96 = 574,408.80/x
  3. Step 3: Cross multiply
    810,075.60x = 1,116,570.96 × 574,408.80
  4. Step 4: Simplify right side
    810,075.60x = 641,368,185,248.45
  5. Step 5: Solve for x
    x = 641,368,185,248.45/810,075.60
  6. Step 6: Final answer
    x = 791,738.68

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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.