Home / 806,529.75-1,112,880.78-462,302.30

Finding the Fourth Proportional to 806,529.75, 1,112,880.78 and 462,302.30

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Solution

The fourth proportional to 806,529.75, 1,112,880.78 and 462,302.30 is: 637,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,529.75 : 1,112,880.78 = 462,302.30 : x
  2. Step 2: Convert to fraction form
    806,529.75/1,112,880.78 = 462,302.30/x
  3. Step 3: Cross multiply
    806,529.75x = 1,112,880.78 × 462,302.30
  4. Step 4: Simplify right side
    806,529.75x = 514,487,338,655.39
  5. Step 5: Solve for x
    x = 514,487,338,655.39/806,529.75
  6. Step 6: Final answer
    x = 637,902.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.