Home / 649,748.40-973,326.60-571,815.60

Finding the Fourth Proportional to 649,748.40, 973,326.60 and 571,815.60

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Solution

The fourth proportional to 649,748.40, 973,326.60 and 571,815.60 is: 856,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,748.40 : 973,326.60 = 571,815.60 : x
  2. Step 2: Convert to fraction form
    649,748.40/973,326.60 = 571,815.60/x
  3. Step 3: Cross multiply
    649,748.40x = 973,326.60 × 571,815.60
  4. Step 4: Simplify right side
    649,748.40x = 556,563,333,774.96
  5. Step 5: Solve for x
    x = 556,563,333,774.96/649,748.40
  6. Step 6: Final answer
    x = 856,582.85

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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.