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Finding the Fourth Proportional to 670,083.84, 924,690.33 and 383,630.58

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Solution

The fourth proportional to 670,083.84, 924,690.33 and 383,630.58 is: 529,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,083.84 : 924,690.33 = 383,630.58 : x
  2. Step 2: Convert to fraction form
    670,083.84/924,690.33 = 383,630.58/x
  3. Step 3: Cross multiply
    670,083.84x = 924,690.33 × 383,630.58
  4. Step 4: Simplify right side
    670,083.84x = 354,739,487,618.29
  5. Step 5: Solve for x
    x = 354,739,487,618.29/670,083.84
  6. Step 6: Final answer
    x = 529,395.68

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1.5x scale

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.