Home / 595,228.18-821,420.86-323,301.40

Finding the Fourth Proportional to 595,228.18, 821,420.86 and 323,301.40

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Solution

The fourth proportional to 595,228.18, 821,420.86 and 323,301.40 is: 446,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,228.18 : 821,420.86 = 323,301.40 : x
  2. Step 2: Convert to fraction form
    595,228.18/821,420.86 = 323,301.40/x
  3. Step 3: Cross multiply
    595,228.18x = 821,420.86 × 323,301.40
  4. Step 4: Simplify right side
    595,228.18x = 265,566,514,027.20
  5. Step 5: Solve for x
    x = 265,566,514,027.20/595,228.18
  6. Step 6: Final answer
    x = 446,159.18

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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.