Home / 683,282.10-942,857.70-396,746.22

Finding the Fourth Proportional to 683,282.10, 942,857.70 and 396,746.22

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Solution

The fourth proportional to 683,282.10, 942,857.70 and 396,746.22 is: 547,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,282.10 : 942,857.70 = 396,746.22 : x
  2. Step 2: Convert to fraction form
    683,282.10/942,857.70 = 396,746.22/x
  3. Step 3: Cross multiply
    683,282.10x = 942,857.70 × 396,746.22
  4. Step 4: Simplify right side
    683,282.10x = 374,075,228,472.89
  5. Step 5: Solve for x
    x = 374,075,228,472.89/683,282.10
  6. Step 6: Final answer
    x = 547,468.21

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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.