Home / 936,939.52-1,292,970.63-507,216.52

Finding the Fourth Proportional to 936,939.52, 1,292,970.63 and 507,216.52

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Solution

The fourth proportional to 936,939.52, 1,292,970.63 and 507,216.52 is: 699,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,939.52 : 1,292,970.63 = 507,216.52 : x
  2. Step 2: Convert to fraction form
    936,939.52/1,292,970.63 = 507,216.52/x
  3. Step 3: Cross multiply
    936,939.52x = 1,292,970.63 × 507,216.52
  4. Step 4: Simplify right side
    936,939.52x = 655,816,063,410.81
  5. Step 5: Solve for x
    x = 655,816,063,410.81/936,939.52
  6. Step 6: Final answer
    x = 699,955.60

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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.