Home / 634,271.04-951,406.56-213,511.68

Finding the Fourth Proportional to 634,271.04, 951,406.56 and 213,511.68

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Solution

The fourth proportional to 634,271.04, 951,406.56 and 213,511.68 is: 320,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,271.04 : 951,406.56 = 213,511.68 : x
  2. Step 2: Convert to fraction form
    634,271.04/951,406.56 = 213,511.68/x
  3. Step 3: Cross multiply
    634,271.04x = 951,406.56 × 213,511.68
  4. Step 4: Simplify right side
    634,271.04x = 203,136,412,988.62
  5. Step 5: Solve for x
    x = 203,136,412,988.62/634,271.04
  6. Step 6: Final answer
    x = 320,267.52

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.