Home / 406,420.86-607,159.38-263,098.55

Finding the Fourth Proportional to 406,420.86, 607,159.38 and 263,098.55

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Solution

The fourth proportional to 406,420.86, 607,159.38 and 263,098.55 is: 393,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,420.86 : 607,159.38 = 263,098.55 : x
  2. Step 2: Convert to fraction form
    406,420.86/607,159.38 = 263,098.55/x
  3. Step 3: Cross multiply
    406,420.86x = 607,159.38 × 263,098.55
  4. Step 4: Simplify right side
    406,420.86x = 159,742,752,496.90
  5. Step 5: Solve for x
    x = 159,742,752,496.90/406,420.86
  6. Step 6: Final answer
    x = 393,047.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.