Home / 850,329.10-1,173,409.86-528,032.33

Finding the Fourth Proportional to 850,329.10, 1,173,409.86 and 528,032.33

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Solution

The fourth proportional to 850,329.10, 1,173,409.86 and 528,032.33 is: 728,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,329.10 : 1,173,409.86 = 528,032.33 : x
  2. Step 2: Convert to fraction form
    850,329.10/1,173,409.86 = 528,032.33/x
  3. Step 3: Cross multiply
    850,329.10x = 1,173,409.86 × 528,032.33
  4. Step 4: Simplify right side
    850,329.10x = 619,598,342,420.77
  5. Step 5: Solve for x
    x = 619,598,342,420.77/850,329.10
  6. Step 6: Final answer
    x = 728,657.11

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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.