Home / 947,333.12-1,307,280.84-517,628

Finding the Fourth Proportional to 947,333.12, 1,307,280.84 and 517,628

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Solution

The fourth proportional to 947,333.12, 1,307,280.84 and 517,628 is: 714,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,333.12 : 1,307,280.84 = 517,628 : x
  2. Step 2: Convert to fraction form
    947,333.12/1,307,280.84 = 517,628/x
  3. Step 3: Cross multiply
    947,333.12x = 1,307,280.84 × 517,628
  4. Step 4: Simplify right side
    947,333.12x = 676,685,166,647.52
  5. Step 5: Solve for x
    x = 676,685,166,647.52/947,333.12
  6. Step 6: Final answer
    x = 714,305.40

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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.