Home / 936,538.69-1,292,426.66-506,818.72

Finding the Fourth Proportional to 936,538.69, 1,292,426.66 and 506,818.72

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Solution

The fourth proportional to 936,538.69, 1,292,426.66 and 506,818.72 is: 699,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,538.69 : 1,292,426.66 = 506,818.72 : x
  2. Step 2: Convert to fraction form
    936,538.69/1,292,426.66 = 506,818.72/x
  3. Step 3: Cross multiply
    936,538.69x = 1,292,426.66 × 506,818.72
  4. Step 4: Simplify right side
    936,538.69x = 655,026,022,980.98
  5. Step 5: Solve for x
    x = 655,026,022,980.98/936,538.69
  6. Step 6: Final answer
    x = 699,411.60

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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.