Home / 830,141.60-1,245,795.60-357,166.40

Finding the Fourth Proportional to 830,141.60, 1,245,795.60 and 357,166.40

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Solution

The fourth proportional to 830,141.60, 1,245,795.60 and 357,166.40 is: 536,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,141.60 : 1,245,795.60 = 357,166.40 : x
  2. Step 2: Convert to fraction form
    830,141.60/1,245,795.60 = 357,166.40/x
  3. Step 3: Cross multiply
    830,141.60x = 1,245,795.60 × 357,166.40
  4. Step 4: Simplify right side
    830,141.60x = 444,956,329,587.84
  5. Step 5: Solve for x
    x = 444,956,329,587.84/830,141.60
  6. Step 6: Final answer
    x = 536,000.52

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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.