Home / 709,556.16-1,064,474.45-260,281.20

Finding the Fourth Proportional to 709,556.16, 1,064,474.45 and 260,281.20

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Solution

The fourth proportional to 709,556.16, 1,064,474.45 and 260,281.20 is: 390,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,556.16 : 1,064,474.45 = 260,281.20 : x
  2. Step 2: Convert to fraction form
    709,556.16/1,064,474.45 = 260,281.20/x
  3. Step 3: Cross multiply
    709,556.16x = 1,064,474.45 × 260,281.20
  4. Step 4: Simplify right side
    709,556.16x = 277,062,685,913.93
  5. Step 5: Solve for x
    x = 277,062,685,913.93/709,556.16
  6. Step 6: Final answer
    x = 390,473.23

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Double scale
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Similar ratio
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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.