Home / 816,216.80-1,224,328.02-247,602.80

Finding the Fourth Proportional to 816,216.80, 1,224,328.02 and 247,602.80

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Solution

The fourth proportional to 816,216.80, 1,224,328.02 and 247,602.80 is: 371,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,216.80 : 1,224,328.02 = 247,602.80 : x
  2. Step 2: Convert to fraction form
    816,216.80/1,224,328.02 = 247,602.80/x
  3. Step 3: Cross multiply
    816,216.80x = 1,224,328.02 × 247,602.80
  4. Step 4: Simplify right side
    816,216.80x = 303,147,045,870.46
  5. Step 5: Solve for x
    x = 303,147,045,870.46/816,216.80
  6. Step 6: Final answer
    x = 371,405.06

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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.