Home / 673,856.40-1,010,784.60-572,379.60

Finding the Fourth Proportional to 673,856.40, 1,010,784.60 and 572,379.60

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Solution

The fourth proportional to 673,856.40, 1,010,784.60 and 572,379.60 is: 858,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,856.40 : 1,010,784.60 = 572,379.60 : x
  2. Step 2: Convert to fraction form
    673,856.40/1,010,784.60 = 572,379.60/x
  3. Step 3: Cross multiply
    673,856.40x = 1,010,784.60 × 572,379.60
  4. Step 4: Simplify right side
    673,856.40x = 578,552,485,034.16
  5. Step 5: Solve for x
    x = 578,552,485,034.16/673,856.40
  6. Step 6: Final answer
    x = 858,569.40

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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.