Home / 813,052.64-1,122,021.56-450,482.16

Finding the Fourth Proportional to 813,052.64, 1,122,021.56 and 450,482.16

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Solution

The fourth proportional to 813,052.64, 1,122,021.56 and 450,482.16 is: 621,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,052.64 : 1,122,021.56 = 450,482.16 : x
  2. Step 2: Convert to fraction form
    813,052.64/1,122,021.56 = 450,482.16/x
  3. Step 3: Cross multiply
    813,052.64x = 1,122,021.56 × 450,482.16
  4. Step 4: Simplify right side
    813,052.64x = 505,450,695,915.37
  5. Step 5: Solve for x
    x = 505,450,695,915.37/813,052.64
  6. Step 6: Final answer
    x = 621,670.32

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Double scale
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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.