Home / 787,427.51-1,181,328.98-254,948.69

Finding the Fourth Proportional to 787,427.51, 1,181,328.98 and 254,948.69

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Solution

The fourth proportional to 787,427.51, 1,181,328.98 and 254,948.69 is: 382,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,427.51 : 1,181,328.98 = 254,948.69 : x
  2. Step 2: Convert to fraction form
    787,427.51/1,181,328.98 = 254,948.69/x
  3. Step 3: Cross multiply
    787,427.51x = 1,181,328.98 × 254,948.69
  4. Step 4: Simplify right side
    787,427.51x = 301,178,274,635.29
  5. Step 5: Solve for x
    x = 301,178,274,635.29/787,427.51
  6. Step 6: Final answer
    x = 382,483.81

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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.