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Finding the Fourth Proportional to 473,657.80, 710,486.70 and 363,065.80

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Solution

The fourth proportional to 473,657.80, 710,486.70 and 363,065.80 is: 544,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,657.80 : 710,486.70 = 363,065.80 : x
  2. Step 2: Convert to fraction form
    473,657.80/710,486.70 = 363,065.80/x
  3. Step 3: Cross multiply
    473,657.80x = 710,486.70 × 363,065.80
  4. Step 4: Simplify right side
    473,657.80x = 257,953,422,124.86
  5. Step 5: Solve for x
    x = 257,953,422,124.86/473,657.80
  6. Step 6: Final answer
    x = 544,598.70

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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.