Home / 403,257.10-604,885.65-278,841.10

Finding the Fourth Proportional to 403,257.10, 604,885.65 and 278,841.10

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Solution

The fourth proportional to 403,257.10, 604,885.65 and 278,841.10 is: 418,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,257.10 : 604,885.65 = 278,841.10 : x
  2. Step 2: Convert to fraction form
    403,257.10/604,885.65 = 278,841.10/x
  3. Step 3: Cross multiply
    403,257.10x = 604,885.65 × 278,841.10
  4. Step 4: Simplify right side
    403,257.10x = 168,666,980,020.22
  5. Step 5: Solve for x
    x = 168,666,980,020.22/403,257.10
  6. Step 6: Final answer
    x = 418,261.65

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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.