Home / 846,377.10-1,269,661.95-306,887.40

Finding the Fourth Proportional to 846,377.10, 1,269,661.95 and 306,887.40

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Solution

The fourth proportional to 846,377.10, 1,269,661.95 and 306,887.40 is: 460,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,377.10 : 1,269,661.95 = 306,887.40 : x
  2. Step 2: Convert to fraction form
    846,377.10/1,269,661.95 = 306,887.40/x
  3. Step 3: Cross multiply
    846,377.10x = 1,269,661.95 × 306,887.40
  4. Step 4: Simplify right side
    846,377.10x = 389,643,254,714.43
  5. Step 5: Solve for x
    x = 389,643,254,714.43/846,377.10
  6. Step 6: Final answer
    x = 460,366.02

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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.