Home / 634,101.02-875,070.69-343,722.10

Finding the Fourth Proportional to 634,101.02, 875,070.69 and 343,722.10

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Solution

The fourth proportional to 634,101.02, 875,070.69 and 343,722.10 is: 474,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,101.02 : 875,070.69 = 343,722.10 : x
  2. Step 2: Convert to fraction form
    634,101.02/875,070.69 = 343,722.10/x
  3. Step 3: Cross multiply
    634,101.02x = 875,070.69 × 343,722.10
  4. Step 4: Simplify right side
    634,101.02x = 300,781,133,027.57
  5. Step 5: Solve for x
    x = 300,781,133,027.57/634,101.02
  6. Step 6: Final answer
    x = 474,342.61

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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.