Home / 841,556.16-1,262,345.40-280,590.84

Finding the Fourth Proportional to 841,556.16, 1,262,345.40 and 280,590.84

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Solution

The fourth proportional to 841,556.16, 1,262,345.40 and 280,590.84 is: 420,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,556.16 : 1,262,345.40 = 280,590.84 : x
  2. Step 2: Convert to fraction form
    841,556.16/1,262,345.40 = 280,590.84/x
  3. Step 3: Cross multiply
    841,556.16x = 1,262,345.40 × 280,590.84
  4. Step 4: Simplify right side
    841,556.16x = 354,202,556,156.14
  5. Step 5: Solve for x
    x = 354,202,556,156.14/841,556.16
  6. Step 6: Final answer
    x = 420,889.98

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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.