Home / 926,383.72-1,388,612.16-358,155.08

Finding the Fourth Proportional to 926,383.72, 1,388,612.16 and 358,155.08

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Solution

The fourth proportional to 926,383.72, 1,388,612.16 and 358,155.08 is: 536,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,383.72 : 1,388,612.16 = 358,155.08 : x
  2. Step 2: Convert to fraction form
    926,383.72/1,388,612.16 = 358,155.08/x
  3. Step 3: Cross multiply
    926,383.72x = 1,388,612.16 × 358,155.08
  4. Step 4: Simplify right side
    926,383.72x = 497,338,502,725.30
  5. Step 5: Solve for x
    x = 497,338,502,725.30/926,383.72
  6. Step 6: Final answer
    x = 536,860.15

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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.