Home / 936,539.69-1,292,428.04-506,819.72

Finding the Fourth Proportional to 936,539.69, 1,292,428.04 and 506,819.72

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Solution

The fourth proportional to 936,539.69, 1,292,428.04 and 506,819.72 is: 699,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,539.69 : 1,292,428.04 = 506,819.72 : x
  2. Step 2: Convert to fraction form
    936,539.69/1,292,428.04 = 506,819.72/x
  3. Step 3: Cross multiply
    936,539.69x = 1,292,428.04 × 506,819.72
  4. Step 4: Simplify right side
    936,539.69x = 655,028,014,818.85
  5. Step 5: Solve for x
    x = 655,028,014,818.85/936,539.69
  6. Step 6: Final answer
    x = 699,412.98

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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.