Home / 634,454.68-875,548.02-347,980.36

Finding the Fourth Proportional to 634,454.68, 875,548.02 and 347,980.36

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Solution

The fourth proportional to 634,454.68, 875,548.02 and 347,980.36 is: 480,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,454.68 : 875,548.02 = 347,980.36 : x
  2. Step 2: Convert to fraction form
    634,454.68/875,548.02 = 347,980.36/x
  3. Step 3: Cross multiply
    634,454.68x = 875,548.02 × 347,980.36
  4. Step 4: Simplify right side
    634,454.68x = 304,673,515,196.89
  5. Step 5: Solve for x
    x = 304,673,515,196.89/634,454.68
  6. Step 6: Final answer
    x = 480,213.20

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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.