Home / 965,137.64-1,331,891.51-535,417.76

Finding the Fourth Proportional to 965,137.64, 1,331,891.51 and 535,417.76

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Solution

The fourth proportional to 965,137.64, 1,331,891.51 and 535,417.76 is: 738,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,137.64 : 1,331,891.51 = 535,417.76 : x
  2. Step 2: Convert to fraction form
    965,137.64/1,331,891.51 = 535,417.76/x
  3. Step 3: Cross multiply
    965,137.64x = 1,331,891.51 × 535,417.76
  4. Step 4: Simplify right side
    965,137.64x = 713,118,369,499.86
  5. Step 5: Solve for x
    x = 713,118,369,499.86/965,137.64
  6. Step 6: Final answer
    x = 738,877.38

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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.