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Finding the Fourth Proportional to 557,801.08, 837,045.08 and 220,784.40

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Solution

The fourth proportional to 557,801.08, 837,045.08 and 220,784.40 is: 331,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,801.08 : 837,045.08 = 220,784.40 : x
  2. Step 2: Convert to fraction form
    557,801.08/837,045.08 = 220,784.40/x
  3. Step 3: Cross multiply
    557,801.08x = 837,045.08 × 220,784.40
  4. Step 4: Simplify right side
    557,801.08x = 184,806,495,760.75
  5. Step 5: Solve for x
    x = 184,806,495,760.75/557,801.08
  6. Step 6: Final answer
    x = 331,312.55

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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.