Home / 807,412.60-1,210,082.10-619,492.60

Finding the Fourth Proportional to 807,412.60, 1,210,082.10 and 619,492.60

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Solution

The fourth proportional to 807,412.60, 1,210,082.10 and 619,492.60 is: 928,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,412.60 : 1,210,082.10 = 619,492.60 : x
  2. Step 2: Convert to fraction form
    807,412.60/1,210,082.10 = 619,492.60/x
  3. Step 3: Cross multiply
    807,412.60x = 1,210,082.10 × 619,492.60
  4. Step 4: Simplify right side
    807,412.60x = 749,636,906,342.46
  5. Step 5: Solve for x
    x = 749,636,906,342.46/807,412.60
  6. Step 6: Final answer
    x = 928,443.41

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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.