Home / 805,875.02-1,112,189.02-461,756.60

Finding the Fourth Proportional to 805,875.02, 1,112,189.02 and 461,756.60

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Solution

The fourth proportional to 805,875.02, 1,112,189.02 and 461,756.60 is: 637,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,875.02 : 1,112,189.02 = 461,756.60 : x
  2. Step 2: Convert to fraction form
    805,875.02/1,112,189.02 = 461,756.60/x
  3. Step 3: Cross multiply
    805,875.02x = 1,112,189.02 × 461,756.60
  4. Step 4: Simplify right side
    805,875.02x = 513,560,620,432.53
  5. Step 5: Solve for x
    x = 513,560,620,432.53/805,875.02
  6. Step 6: Final answer
    x = 637,270.80

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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.