Home / 998,483.40-1,497,725.10-578,838.60

Finding the Fourth Proportional to 998,483.40, 1,497,725.10 and 578,838.60

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Solution

The fourth proportional to 998,483.40, 1,497,725.10 and 578,838.60 is: 868,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,483.40 : 1,497,725.10 = 578,838.60 : x
  2. Step 2: Convert to fraction form
    998,483.40/1,497,725.10 = 578,838.60/x
  3. Step 3: Cross multiply
    998,483.40x = 1,497,725.10 × 578,838.60
  4. Step 4: Simplify right side
    998,483.40x = 866,941,100,068.86
  5. Step 5: Solve for x
    x = 866,941,100,068.86/998,483.40
  6. Step 6: Final answer
    x = 868,257.90

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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.