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Finding the Fourth Proportional to 473,730.40, 653,746.64 and 258,871.84

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Solution

The fourth proportional to 473,730.40, 653,746.64 and 258,871.84 is: 357,242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,730.40 : 653,746.64 = 258,871.84 : x
  2. Step 2: Convert to fraction form
    473,730.40/653,746.64 = 258,871.84/x
  3. Step 3: Cross multiply
    473,730.40x = 653,746.64 × 258,871.84
  4. Step 4: Simplify right side
    473,730.40x = 169,236,595,590.62
  5. Step 5: Solve for x
    x = 169,236,595,590.62/473,730.40
  6. Step 6: Final answer
    x = 357,242.42

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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.