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Finding the Fourth Proportional to 501,560.10, 692,152.88 and 286,704.77

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Solution

The fourth proportional to 501,560.10, 692,152.88 and 286,704.77 is: 395,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,560.10 : 692,152.88 = 286,704.77 : x
  2. Step 2: Convert to fraction form
    501,560.10/692,152.88 = 286,704.77/x
  3. Step 3: Cross multiply
    501,560.10x = 692,152.88 × 286,704.77
  4. Step 4: Simplify right side
    501,560.10x = 198,443,527,370.95
  5. Step 5: Solve for x
    x = 198,443,527,370.95/501,560.10
  6. Step 6: Final answer
    x = 395,652.54

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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.