Home / 841,321.54-1,262,161.69-385,692.89

Finding the Fourth Proportional to 841,321.54, 1,262,161.69 and 385,692.89

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Solution

The fourth proportional to 841,321.54, 1,262,161.69 and 385,692.89 is: 578,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,321.54 : 1,262,161.69 = 385,692.89 : x
  2. Step 2: Convert to fraction form
    841,321.54/1,262,161.69 = 385,692.89/x
  3. Step 3: Cross multiply
    841,321.54x = 1,262,161.69 × 385,692.89
  4. Step 4: Simplify right side
    841,321.54x = 486,806,791,857.53
  5. Step 5: Solve for x
    x = 486,806,791,857.53/841,321.54
  6. Step 6: Final answer
    x = 578,621.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.