Home / 634,290.40-875,320.05-347,815.27

Finding the Fourth Proportional to 634,290.40, 875,320.05 and 347,815.27

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Solution

The fourth proportional to 634,290.40, 875,320.05 and 347,815.27 is: 479,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,290.40 : 875,320.05 = 347,815.27 : x
  2. Step 2: Convert to fraction form
    634,290.40/875,320.05 = 347,815.27/x
  3. Step 3: Cross multiply
    634,290.40x = 875,320.05 × 347,815.27
  4. Step 4: Simplify right side
    634,290.40x = 304,449,679,527.16
  5. Step 5: Solve for x
    x = 304,449,679,527.16/634,290.40
  6. Step 6: Final answer
    x = 479,984.69

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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.