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Finding the Fourth Proportional to 530,284, 731,792.04 and 291,820

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Solution

The fourth proportional to 530,284, 731,792.04 and 291,820 is: 402,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,284 : 731,792.04 = 291,820 : x
  2. Step 2: Convert to fraction form
    530,284/731,792.04 = 291,820/x
  3. Step 3: Cross multiply
    530,284x = 731,792.04 × 291,820
  4. Step 4: Simplify right side
    530,284x = 213,551,553,112.80
  5. Step 5: Solve for x
    x = 213,551,553,112.80/530,284
  6. Step 6: Final answer
    x = 402,711.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.