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Finding the Fourth Proportional to 564,868.16, 779,531.64 and 310,224.86

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Solution

The fourth proportional to 564,868.16, 779,531.64 and 310,224.86 is: 428,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,868.16 : 779,531.64 = 310,224.86 : x
  2. Step 2: Convert to fraction form
    564,868.16/779,531.64 = 310,224.86/x
  3. Step 3: Cross multiply
    564,868.16x = 779,531.64 × 310,224.86
  4. Step 4: Simplify right side
    564,868.16x = 241,830,093,884.57
  5. Step 5: Solve for x
    x = 241,830,093,884.57/564,868.16
  6. Step 6: Final answer
    x = 428,117.76

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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.