Home / 647,746.41-893,885.05-357,370.22

Finding the Fourth Proportional to 647,746.41, 893,885.05 and 357,370.22

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Solution

The fourth proportional to 647,746.41, 893,885.05 and 357,370.22 is: 493,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,746.41 : 893,885.05 = 357,370.22 : x
  2. Step 2: Convert to fraction form
    647,746.41/893,885.05 = 357,370.22/x
  3. Step 3: Cross multiply
    647,746.41x = 893,885.05 × 357,370.22
  4. Step 4: Simplify right side
    647,746.41x = 319,447,892,950.50
  5. Step 5: Solve for x
    x = 319,447,892,950.50/647,746.41
  6. Step 6: Final answer
    x = 493,168.14

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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.