Home / 936,510.35-1,292,384.29-506,790.48

Finding the Fourth Proportional to 936,510.35, 1,292,384.29 and 506,790.48

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Solution

The fourth proportional to 936,510.35, 1,292,384.29 and 506,790.48 is: 699,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,510.35 : 1,292,384.29 = 506,790.48 : x
  2. Step 2: Convert to fraction form
    936,510.35/1,292,384.29 = 506,790.48/x
  3. Step 3: Cross multiply
    936,510.35x = 1,292,384.29 × 506,790.48
  4. Step 4: Simplify right side
    936,510.35x = 654,968,052,139.61
  5. Step 5: Solve for x
    x = 654,968,052,139.61/936,510.35
  6. Step 6: Final answer
    x = 699,370.87

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1.5x scale

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.