Home / 480,501-662,272.58-439,777.08

Finding the Fourth Proportional to 480,501, 662,272.58 and 439,777.08

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Solution

The fourth proportional to 480,501, 662,272.58 and 439,777.08 is: 606,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,501 : 662,272.58 = 439,777.08 : x
  2. Step 2: Convert to fraction form
    480,501/662,272.58 = 439,777.08/x
  3. Step 3: Cross multiply
    480,501x = 662,272.58 × 439,777.08
  4. Step 4: Simplify right side
    480,501x = 291,252,299,197.58
  5. Step 5: Solve for x
    x = 291,252,299,197.58/480,501
  6. Step 6: Final answer
    x = 606,142.96

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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.