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Finding the Fourth Proportional to 602,091.21, 903,021.71 and 302,488.77

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Solution

The fourth proportional to 602,091.21, 903,021.71 and 302,488.77 is: 453,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,091.21 : 903,021.71 = 302,488.77 : x
  2. Step 2: Convert to fraction form
    602,091.21/903,021.71 = 302,488.77/x
  3. Step 3: Cross multiply
    602,091.21x = 903,021.71 × 302,488.77
  4. Step 4: Simplify right side
    602,091.21x = 273,153,924,828.75
  5. Step 5: Solve for x
    x = 273,153,924,828.75/602,091.21
  6. Step 6: Final answer
    x = 453,675.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.