Home / 407,725.02-562,674.51-226,439.82

Finding the Fourth Proportional to 407,725.02, 562,674.51 and 226,439.82

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Solution

The fourth proportional to 407,725.02, 562,674.51 and 226,439.82 is: 312,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,725.02 : 562,674.51 = 226,439.82 : x
  2. Step 2: Convert to fraction form
    407,725.02/562,674.51 = 226,439.82/x
  3. Step 3: Cross multiply
    407,725.02x = 562,674.51 × 226,439.82
  4. Step 4: Simplify right side
    407,725.02x = 127,411,914,762.99
  5. Step 5: Solve for x
    x = 127,411,914,762.99/407,725.02
  6. Step 6: Final answer
    x = 312,494.72

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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.