Home / 962,790.64-1,328,665.08-554,667.28

Finding the Fourth Proportional to 962,790.64, 1,328,665.08 and 554,667.28

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Solution

The fourth proportional to 962,790.64, 1,328,665.08 and 554,667.28 is: 765,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,790.64 : 1,328,665.08 = 554,667.28 : x
  2. Step 2: Convert to fraction form
    962,790.64/1,328,665.08 = 554,667.28/x
  3. Step 3: Cross multiply
    962,790.64x = 1,328,665.08 × 554,667.28
  4. Step 4: Simplify right side
    962,790.64x = 736,967,045,954.58
  5. Step 5: Solve for x
    x = 736,967,045,954.58/962,790.64
  6. Step 6: Final answer
    x = 765,448.91

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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.