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Finding the Fourth Proportional to 655,547.60, 982,630.20 and 374,459.60

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Solution

The fourth proportional to 655,547.60, 982,630.20 and 374,459.60 is: 561,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,547.60 : 982,630.20 = 374,459.60 : x
  2. Step 2: Convert to fraction form
    655,547.60/982,630.20 = 374,459.60/x
  3. Step 3: Cross multiply
    655,547.60x = 982,630.20 × 374,459.60
  4. Step 4: Simplify right side
    655,547.60x = 367,955,311,639.92
  5. Step 5: Solve for x
    x = 367,955,311,639.92/655,547.60
  6. Step 6: Final answer
    x = 561,294.58

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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.