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Finding the Fourth Proportional to 473,676.72, 653,681.52 and 282,801.84

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Solution

The fourth proportional to 473,676.72, 653,681.52 and 282,801.84 is: 390,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,676.72 : 653,681.52 = 282,801.84 : x
  2. Step 2: Convert to fraction form
    473,676.72/653,681.52 = 282,801.84/x
  3. Step 3: Cross multiply
    473,676.72x = 653,681.52 × 282,801.84
  4. Step 4: Simplify right side
    473,676.72x = 184,862,336,630.00
  5. Step 5: Solve for x
    x = 184,862,336,630.00/473,676.72
  6. Step 6: Final answer
    x = 390,271.10

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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.