Home / 841,458.60-1,161,219.18-478,910.04

Finding the Fourth Proportional to 841,458.60, 1,161,219.18 and 478,910.04

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Solution

The fourth proportional to 841,458.60, 1,161,219.18 and 478,910.04 is: 660,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,458.60 : 1,161,219.18 = 478,910.04 : x
  2. Step 2: Convert to fraction form
    841,458.60/1,161,219.18 = 478,910.04/x
  3. Step 3: Cross multiply
    841,458.60x = 1,161,219.18 × 478,910.04
  4. Step 4: Simplify right side
    841,458.60x = 556,119,523,942.57
  5. Step 5: Solve for x
    x = 556,119,523,942.57/841,458.60
  6. Step 6: Final answer
    x = 660,899.45

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1.5x scale

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.