Home / 673,833.60-1,011,916.80-358,905.60

Finding the Fourth Proportional to 673,833.60, 1,011,916.80 and 358,905.60

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Solution

The fourth proportional to 673,833.60, 1,011,916.80 and 358,905.60 is: 538,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,833.60 : 1,011,916.80 = 358,905.60 : x
  2. Step 2: Convert to fraction form
    673,833.60/1,011,916.80 = 358,905.60/x
  3. Step 3: Cross multiply
    673,833.60x = 1,011,916.80 × 358,905.60
  4. Step 4: Simplify right side
    673,833.60x = 363,182,606,254.08
  5. Step 5: Solve for x
    x = 363,182,606,254.08/673,833.60
  6. Step 6: Final answer
    x = 538,979.66

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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.