Home / 936,478.18-1,292,343.36-506,758.30

Finding the Fourth Proportional to 936,478.18, 1,292,343.36 and 506,758.30

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Solution

The fourth proportional to 936,478.18, 1,292,343.36 and 506,758.30 is: 699,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,478.18 : 1,292,343.36 = 506,758.30 : x
  2. Step 2: Convert to fraction form
    936,478.18/1,292,343.36 = 506,758.30/x
  3. Step 3: Cross multiply
    936,478.18x = 1,292,343.36 × 506,758.30
  4. Step 4: Simplify right side
    936,478.18x = 654,905,724,129.89
  5. Step 5: Solve for x
    x = 654,905,724,129.89/936,478.18
  6. Step 6: Final answer
    x = 699,328.33

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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.