Home / 879,235.40-1,317,297.90-823,248.20

Finding the Fourth Proportional to 879,235.40, 1,317,297.90 and 823,248.20

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Solution

The fourth proportional to 879,235.40, 1,317,297.90 and 823,248.20 is: 1,233,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,235.40 : 1,317,297.90 = 823,248.20 : x
  2. Step 2: Convert to fraction form
    879,235.40/1,317,297.90 = 823,248.20/x
  3. Step 3: Cross multiply
    879,235.40x = 1,317,297.90 × 823,248.20
  4. Step 4: Simplify right side
    879,235.40x = 1,084,463,125,038.78
  5. Step 5: Solve for x
    x = 1,084,463,125,038.78/879,235.40
  6. Step 6: Final answer
    x = 1,233,416.13

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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.