Home / 988,897.60-1,483,346.40-357,663.79

Finding the Fourth Proportional to 988,897.60, 1,483,346.40 and 357,663.79

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Solution

The fourth proportional to 988,897.60, 1,483,346.40 and 357,663.79 is: 536,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,897.60 : 1,483,346.40 = 357,663.79 : x
  2. Step 2: Convert to fraction form
    988,897.60/1,483,346.40 = 357,663.79/x
  3. Step 3: Cross multiply
    988,897.60x = 1,483,346.40 × 357,663.79
  4. Step 4: Simplify right side
    988,897.60x = 530,539,295,306.86
  5. Step 5: Solve for x
    x = 530,539,295,306.86/988,897.60
  6. Step 6: Final answer
    x = 536,495.69

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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.