Home / 890,261.10-1,228,620.58-502,942.16

Finding the Fourth Proportional to 890,261.10, 1,228,620.58 and 502,942.16

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Solution

The fourth proportional to 890,261.10, 1,228,620.58 and 502,942.16 is: 694,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,261.10 : 1,228,620.58 = 502,942.16 : x
  2. Step 2: Convert to fraction form
    890,261.10/1,228,620.58 = 502,942.16/x
  3. Step 3: Cross multiply
    890,261.10x = 1,228,620.58 × 502,942.16
  4. Step 4: Simplify right side
    890,261.10x = 617,925,088,325.65
  5. Step 5: Solve for x
    x = 617,925,088,325.65/890,261.10
  6. Step 6: Final answer
    x = 694,094.23

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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.