Home / 676,099.38-1,013,991.63-316,518.30

Finding the Fourth Proportional to 676,099.38, 1,013,991.63 and 316,518.30

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Solution

The fourth proportional to 676,099.38, 1,013,991.63 and 316,518.30 is: 474,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,099.38 : 1,013,991.63 = 316,518.30 : x
  2. Step 2: Convert to fraction form
    676,099.38/1,013,991.63 = 316,518.30/x
  3. Step 3: Cross multiply
    676,099.38x = 1,013,991.63 × 316,518.30
  4. Step 4: Simplify right side
    676,099.38x = 320,946,909,476.81
  5. Step 5: Solve for x
    x = 320,946,909,476.81/676,099.38
  6. Step 6: Final answer
    x = 474,703.75

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1.5x scale

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.