Home / 671,257.16-1,006,885.76-630,199.88

Finding the Fourth Proportional to 671,257.16, 1,006,885.76 and 630,199.88

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Solution

The fourth proportional to 671,257.16, 1,006,885.76 and 630,199.88 is: 945,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,257.16 : 1,006,885.76 = 630,199.88 : x
  2. Step 2: Convert to fraction form
    671,257.16/1,006,885.76 = 630,199.88/x
  3. Step 3: Cross multiply
    671,257.16x = 1,006,885.76 × 630,199.88
  4. Step 4: Simplify right side
    671,257.16x = 634,539,285,125.71
  5. Step 5: Solve for x
    x = 634,539,285,125.71/671,257.16
  6. Step 6: Final answer
    x = 945,299.84

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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.