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Finding the Fourth Proportional to 453,359.67, 679,478.99 and 228,784.35

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Solution

The fourth proportional to 453,359.67, 679,478.99 and 228,784.35 is: 342,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,359.67 : 679,478.99 = 228,784.35 : x
  2. Step 2: Convert to fraction form
    453,359.67/679,478.99 = 228,784.35/x
  3. Step 3: Cross multiply
    453,359.67x = 679,478.99 × 228,784.35
  4. Step 4: Simplify right side
    453,359.67x = 155,454,158,256.50
  5. Step 5: Solve for x
    x = 155,454,158,256.50/453,359.67
  6. Step 6: Final answer
    x = 342,893.66

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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.