Home / 806,916.40-1,210,024.32-274,294.24

Finding the Fourth Proportional to 806,916.40, 1,210,024.32 and 274,294.24

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Solution

The fourth proportional to 806,916.40, 1,210,024.32 and 274,294.24 is: 411,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,916.40 : 1,210,024.32 = 274,294.24 : x
  2. Step 2: Convert to fraction form
    806,916.40/1,210,024.32 = 274,294.24/x
  3. Step 3: Cross multiply
    806,916.40x = 1,210,024.32 × 274,294.24
  4. Step 4: Simplify right side
    806,916.40x = 331,902,701,235.92
  5. Step 5: Solve for x
    x = 331,902,701,235.92/806,916.40
  6. Step 6: Final answer
    x = 411,322.29

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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.