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Finding the Fourth Proportional to 654,609.45, 903,281.72 and 364,152.39

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Solution

The fourth proportional to 654,609.45, 903,281.72 and 364,152.39 is: 502,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,609.45 : 903,281.72 = 364,152.39 : x
  2. Step 2: Convert to fraction form
    654,609.45/903,281.72 = 364,152.39/x
  3. Step 3: Cross multiply
    654,609.45x = 903,281.72 × 364,152.39
  4. Step 4: Simplify right side
    654,609.45x = 328,932,191,973.24
  5. Step 5: Solve for x
    x = 328,932,191,973.24/654,609.45
  6. Step 6: Final answer
    x = 502,486.16

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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.