Home / 757,778.64-1,045,718.54-413,603.16

Finding the Fourth Proportional to 757,778.64, 1,045,718.54 and 413,603.16

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Solution

The fourth proportional to 757,778.64, 1,045,718.54 and 413,603.16 is: 570,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,778.64 : 1,045,718.54 = 413,603.16 : x
  2. Step 2: Convert to fraction form
    757,778.64/1,045,718.54 = 413,603.16/x
  3. Step 3: Cross multiply
    757,778.64x = 1,045,718.54 × 413,603.16
  4. Step 4: Simplify right side
    757,778.64x = 432,512,492,614.59
  5. Step 5: Solve for x
    x = 432,512,492,614.59/757,778.64
  6. Step 6: Final answer
    x = 570,763.64

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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.