Home / 805,316.63-1,111,308.62-442,737.86

Finding the Fourth Proportional to 805,316.63, 1,111,308.62 and 442,737.86

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Solution

The fourth proportional to 805,316.63, 1,111,308.62 and 442,737.86 is: 610,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,316.63 : 1,111,308.62 = 442,737.86 : x
  2. Step 2: Convert to fraction form
    805,316.63/1,111,308.62 = 442,737.86/x
  3. Step 3: Cross multiply
    805,316.63x = 1,111,308.62 × 442,737.86
  4. Step 4: Simplify right side
    805,316.63x = 492,018,392,448.12
  5. Step 5: Solve for x
    x = 492,018,392,448.12/805,316.63
  6. Step 6: Final answer
    x = 610,962.67

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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.