Home / 846,108.80-1,269,220.80-269,686.40

Finding the Fourth Proportional to 846,108.80, 1,269,220.80 and 269,686.40

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Solution

The fourth proportional to 846,108.80, 1,269,220.80 and 269,686.40 is: 404,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,108.80 : 1,269,220.80 = 269,686.40 : x
  2. Step 2: Convert to fraction form
    846,108.80/1,269,220.80 = 269,686.40/x
  3. Step 3: Cross multiply
    846,108.80x = 1,269,220.80 × 269,686.40
  4. Step 4: Simplify right side
    846,108.80x = 342,291,588,357.12
  5. Step 5: Solve for x
    x = 342,291,588,357.12/846,108.80
  6. Step 6: Final answer
    x = 404,547.96

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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.