Home / 407,716.02-562,666.80-226,428.78

Finding the Fourth Proportional to 407,716.02, 562,666.80 and 226,428.78

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Solution

The fourth proportional to 407,716.02, 562,666.80 and 226,428.78 is: 312,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,716.02 : 562,666.80 = 226,428.78 : x
  2. Step 2: Convert to fraction form
    407,716.02/562,666.80 = 226,428.78/x
  3. Step 3: Cross multiply
    407,716.02x = 562,666.80 × 226,428.78
  4. Step 4: Simplify right side
    407,716.02x = 127,403,957,070.50
  5. Step 5: Solve for x
    x = 127,403,957,070.50/407,716.02
  6. Step 6: Final answer
    x = 312,482.10

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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.