Home / 918,024.16-1,376,506.48-356,402.56

Finding the Fourth Proportional to 918,024.16, 1,376,506.48 and 356,402.56

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Solution

The fourth proportional to 918,024.16, 1,376,506.48 and 356,402.56 is: 534,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,024.16 : 1,376,506.48 = 356,402.56 : x
  2. Step 2: Convert to fraction form
    918,024.16/1,376,506.48 = 356,402.56/x
  3. Step 3: Cross multiply
    918,024.16x = 1,376,506.48 × 356,402.56
  4. Step 4: Simplify right side
    918,024.16x = 490,590,433,328.59
  5. Step 5: Solve for x
    x = 490,590,433,328.59/918,024.16
  6. Step 6: Final answer
    x = 534,398.17

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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.