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Finding the Fourth Proportional to 612,038.30, 844,621.62 and 336,421.67

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Solution

The fourth proportional to 612,038.30, 844,621.62 and 336,421.67 is: 464,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,038.30 : 844,621.62 = 336,421.67 : x
  2. Step 2: Convert to fraction form
    612,038.30/844,621.62 = 336,421.67/x
  3. Step 3: Cross multiply
    612,038.30x = 844,621.62 × 336,421.67
  4. Step 4: Simplify right side
    612,038.30x = 284,149,011,695.40
  5. Step 5: Solve for x
    x = 284,149,011,695.40/612,038.30
  6. Step 6: Final answer
    x = 464,266.72

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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.