Home / 918,020.16-1,376,500.50-356,398.56

Finding the Fourth Proportional to 918,020.16, 1,376,500.50 and 356,398.56

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Solution

The fourth proportional to 918,020.16, 1,376,500.50 and 356,398.56 is: 534,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,020.16 : 1,376,500.50 = 356,398.56 : x
  2. Step 2: Convert to fraction form
    918,020.16/1,376,500.50 = 356,398.56/x
  3. Step 3: Cross multiply
    918,020.16x = 1,376,500.50 × 356,398.56
  4. Step 4: Simplify right side
    918,020.16x = 490,582,796,039.28
  5. Step 5: Solve for x
    x = 490,582,796,039.28/918,020.16
  6. Step 6: Final answer
    x = 534,392.18

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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.