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Finding the Fourth Proportional to 651,742.34, 899,441.42 and 365,280.91

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Solution

The fourth proportional to 651,742.34, 899,441.42 and 365,280.91 is: 504,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,742.34 : 899,441.42 = 365,280.91 : x
  2. Step 2: Convert to fraction form
    651,742.34/899,441.42 = 365,280.91/x
  3. Step 3: Cross multiply
    651,742.34x = 899,441.42 × 365,280.91
  4. Step 4: Simplify right side
    651,742.34x = 328,548,776,314.28
  5. Step 5: Solve for x
    x = 328,548,776,314.28/651,742.34
  6. Step 6: Final answer
    x = 504,108.39

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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.