Home / 823,437.42-1,234,934.16-290,888.34

Finding the Fourth Proportional to 823,437.42, 1,234,934.16 and 290,888.34

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Solution

The fourth proportional to 823,437.42, 1,234,934.16 and 290,888.34 is: 436,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,437.42 : 1,234,934.16 = 290,888.34 : x
  2. Step 2: Convert to fraction form
    823,437.42/1,234,934.16 = 290,888.34/x
  3. Step 3: Cross multiply
    823,437.42x = 1,234,934.16 × 290,888.34
  4. Step 4: Simplify right side
    823,437.42x = 359,227,947,811.69
  5. Step 5: Solve for x
    x = 359,227,947,811.69/823,437.42
  6. Step 6: Final answer
    x = 436,254.10

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1.5x scale

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.