Home / 762,158.96-1,051,866.08-439,955.52

Finding the Fourth Proportional to 762,158.96, 1,051,866.08 and 439,955.52

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Solution

The fourth proportional to 762,158.96, 1,051,866.08 and 439,955.52 is: 607,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,158.96 : 1,051,866.08 = 439,955.52 : x
  2. Step 2: Convert to fraction form
    762,158.96/1,051,866.08 = 439,955.52/x
  3. Step 3: Cross multiply
    762,158.96x = 1,051,866.08 × 439,955.52
  4. Step 4: Simplify right side
    762,158.96x = 462,774,288,196.76
  5. Step 5: Solve for x
    x = 462,774,288,196.76/762,158.96
  6. Step 6: Final answer
    x = 607,188.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.