Home / 790,030.20-1,184,267.70-390,732.60

Finding the Fourth Proportional to 790,030.20, 1,184,267.70 and 390,732.60

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Solution

The fourth proportional to 790,030.20, 1,184,267.70 and 390,732.60 is: 585,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,030.20 : 1,184,267.70 = 390,732.60 : x
  2. Step 2: Convert to fraction form
    790,030.20/1,184,267.70 = 390,732.60/x
  3. Step 3: Cross multiply
    790,030.20x = 1,184,267.70 × 390,732.60
  4. Step 4: Simplify right side
    790,030.20x = 462,731,997,517.02
  5. Step 5: Solve for x
    x = 462,731,997,517.02/790,030.20
  6. Step 6: Final answer
    x = 585,714.32

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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.