Home / 936,528.69-1,292,412.84-506,808.72

Finding the Fourth Proportional to 936,528.69, 1,292,412.84 and 506,808.72

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Solution

The fourth proportional to 936,528.69, 1,292,412.84 and 506,808.72 is: 699,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,528.69 : 1,292,412.84 = 506,808.72 : x
  2. Step 2: Convert to fraction form
    936,528.69/1,292,412.84 = 506,808.72/x
  3. Step 3: Cross multiply
    936,528.69x = 1,292,412.84 × 506,808.72
  4. Step 4: Simplify right side
    936,528.69x = 655,006,097,151.97
  5. Step 5: Solve for x
    x = 655,006,097,151.97/936,528.69
  6. Step 6: Final answer
    x = 699,397.79

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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.