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Finding the Fourth Proportional to 465,783.90, 697,363.65 and 418,544.70

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Solution

The fourth proportional to 465,783.90, 697,363.65 and 418,544.70 is: 626,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,783.90 : 697,363.65 = 418,544.70 : x
  2. Step 2: Convert to fraction form
    465,783.90/697,363.65 = 418,544.70/x
  3. Step 3: Cross multiply
    465,783.90x = 697,363.65 × 418,544.70
  4. Step 4: Simplify right side
    465,783.90x = 291,877,859,680.16
  5. Step 5: Solve for x
    x = 291,877,859,680.16/465,783.90
  6. Step 6: Final answer
    x = 626,637.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.