Home / 947,287.52-1,307,241.33-517,558.40

Finding the Fourth Proportional to 947,287.52, 1,307,241.33 and 517,558.40

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Solution

The fourth proportional to 947,287.52, 1,307,241.33 and 517,558.40 is: 714,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,287.52 : 1,307,241.33 = 517,558.40 : x
  2. Step 2: Convert to fraction form
    947,287.52/1,307,241.33 = 517,558.40/x
  3. Step 3: Cross multiply
    947,287.52x = 1,307,241.33 × 517,558.40
  4. Step 4: Simplify right side
    947,287.52x = 676,573,731,168.67
  5. Step 5: Solve for x
    x = 676,573,731,168.67/947,287.52
  6. Step 6: Final answer
    x = 714,222.15

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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.