Home / 714,020.40-1,070,358.48-240,374.88

Finding the Fourth Proportional to 714,020.40, 1,070,358.48 and 240,374.88

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Solution

The fourth proportional to 714,020.40, 1,070,358.48 and 240,374.88 is: 360,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,020.40 : 1,070,358.48 = 240,374.88 : x
  2. Step 2: Convert to fraction form
    714,020.40/1,070,358.48 = 240,374.88/x
  3. Step 3: Cross multiply
    714,020.40x = 1,070,358.48 × 240,374.88
  4. Step 4: Simplify right side
    714,020.40x = 257,287,291,186.98
  5. Step 5: Solve for x
    x = 257,287,291,186.98/714,020.40
  6. Step 6: Final answer
    x = 360,336.05

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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.