Home / 476,821.02-657,785.64-347,482.20

Finding the Fourth Proportional to 476,821.02, 657,785.64 and 347,482.20

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Solution

The fourth proportional to 476,821.02, 657,785.64 and 347,482.20 is: 479,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,821.02 : 657,785.64 = 347,482.20 : x
  2. Step 2: Convert to fraction form
    476,821.02/657,785.64 = 347,482.20/x
  3. Step 3: Cross multiply
    476,821.02x = 657,785.64 × 347,482.20
  4. Step 4: Simplify right side
    476,821.02x = 228,568,801,315.61
  5. Step 5: Solve for x
    x = 228,568,801,315.61/476,821.02
  6. Step 6: Final answer
    x = 479,359.74

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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.