Home / 672,669.90-1,008,502.65-406,374.30

Finding the Fourth Proportional to 672,669.90, 1,008,502.65 and 406,374.30

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Solution

The fourth proportional to 672,669.90, 1,008,502.65 and 406,374.30 is: 609,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,669.90 : 1,008,502.65 = 406,374.30 : x
  2. Step 2: Convert to fraction form
    672,669.90/1,008,502.65 = 406,374.30/x
  3. Step 3: Cross multiply
    672,669.90x = 1,008,502.65 × 406,374.30
  4. Step 4: Simplify right side
    672,669.90x = 409,829,558,441.90
  5. Step 5: Solve for x
    x = 409,829,558,441.90/672,669.90
  6. Step 6: Final answer
    x = 609,258.06

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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.