Home / 634,152.48-875,107.20-347,666.28

Finding the Fourth Proportional to 634,152.48, 875,107.20 and 347,666.28

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Solution

The fourth proportional to 634,152.48, 875,107.20 and 347,666.28 is: 479,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,152.48 : 875,107.20 = 347,666.28 : x
  2. Step 2: Convert to fraction form
    634,152.48/875,107.20 = 347,666.28/x
  3. Step 3: Cross multiply
    634,152.48x = 875,107.20 × 347,666.28
  4. Step 4: Simplify right side
    634,152.48x = 304,245,264,825.22
  5. Step 5: Solve for x
    x = 304,245,264,825.22/634,152.48
  6. Step 6: Final answer
    x = 479,766.74

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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.