Home / 813,587.10-1,122,674.73-450,980.13

Finding the Fourth Proportional to 813,587.10, 1,122,674.73 and 450,980.13

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Solution

The fourth proportional to 813,587.10, 1,122,674.73 and 450,980.13 is: 622,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,587.10 : 1,122,674.73 = 450,980.13 : x
  2. Step 2: Convert to fraction form
    813,587.10/1,122,674.73 = 450,980.13/x
  3. Step 3: Cross multiply
    813,587.10x = 1,122,674.73 × 450,980.13
  4. Step 4: Simplify right side
    813,587.10x = 506,303,995,683.12
  5. Step 5: Solve for x
    x = 506,303,995,683.12/813,587.10
  6. Step 6: Final answer
    x = 622,310.75

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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.