Home / 761,355.82-1,050,671.03-455,445.10

Finding the Fourth Proportional to 761,355.82, 1,050,671.03 and 455,445.10

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Solution

The fourth proportional to 761,355.82, 1,050,671.03 and 455,445.10 is: 628,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,355.82 : 1,050,671.03 = 455,445.10 : x
  2. Step 2: Convert to fraction form
    761,355.82/1,050,671.03 = 455,445.10/x
  3. Step 3: Cross multiply
    761,355.82x = 1,050,671.03 × 455,445.10
  4. Step 4: Simplify right side
    761,355.82x = 478,522,970,837.39
  5. Step 5: Solve for x
    x = 478,522,970,837.39/761,355.82
  6. Step 6: Final answer
    x = 628,514.24

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Double scale
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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.