Home / 947,225.88-1,307,155.32-517,494.96

Finding the Fourth Proportional to 947,225.88, 1,307,155.32 and 517,494.96

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Solution

The fourth proportional to 947,225.88, 1,307,155.32 and 517,494.96 is: 714,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,225.88 : 1,307,155.32 = 517,494.96 : x
  2. Step 2: Convert to fraction form
    947,225.88/1,307,155.32 = 517,494.96/x
  3. Step 3: Cross multiply
    947,225.88x = 1,307,155.32 × 517,494.96
  4. Step 4: Simplify right side
    947,225.88x = 676,446,290,037.19
  5. Step 5: Solve for x
    x = 676,446,290,037.19/947,225.88
  6. Step 6: Final answer
    x = 714,134.09

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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.