Home / 936,838.92-1,292,838.48-507,117.72

Finding the Fourth Proportional to 936,838.92, 1,292,838.48 and 507,117.72

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Solution

The fourth proportional to 936,838.92, 1,292,838.48 and 507,117.72 is: 699,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,838.92 : 1,292,838.48 = 507,117.72 : x
  2. Step 2: Convert to fraction form
    936,838.92/1,292,838.48 = 507,117.72/x
  3. Step 3: Cross multiply
    936,838.92x = 1,292,838.48 × 507,117.72
  4. Step 4: Simplify right side
    936,838.92x = 655,621,302,305.87
  5. Step 5: Solve for x
    x = 655,621,302,305.87/936,838.92
  6. Step 6: Final answer
    x = 699,822.87

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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.