Home / 851,959.28-1,175,697.24-470,002.16

Finding the Fourth Proportional to 851,959.28, 1,175,697.24 and 470,002.16

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Solution

The fourth proportional to 851,959.28, 1,175,697.24 and 470,002.16 is: 648,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,959.28 : 1,175,697.24 = 470,002.16 : x
  2. Step 2: Convert to fraction form
    851,959.28/1,175,697.24 = 470,002.16/x
  3. Step 3: Cross multiply
    851,959.28x = 1,175,697.24 × 470,002.16
  4. Step 4: Simplify right side
    851,959.28x = 552,580,242,306.04
  5. Step 5: Solve for x
    x = 552,580,242,306.04/851,959.28
  6. Step 6: Final answer
    x = 648,599.36

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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.