Home / 851,987.46-1,175,746.68-470,014.14

Finding the Fourth Proportional to 851,987.46, 1,175,746.68 and 470,014.14

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Solution

The fourth proportional to 851,987.46, 1,175,746.68 and 470,014.14 is: 648,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,987.46 : 1,175,746.68 = 470,014.14 : x
  2. Step 2: Convert to fraction form
    851,987.46/1,175,746.68 = 470,014.14/x
  3. Step 3: Cross multiply
    851,987.46x = 1,175,746.68 × 470,014.14
  4. Step 4: Simplify right side
    851,987.46x = 552,617,564,658.06
  5. Step 5: Solve for x
    x = 552,617,564,658.06/851,987.46
  6. Step 6: Final answer
    x = 648,621.71

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Double scale
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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.