Home / 787,427.63-1,181,329.16-254,948.82

Finding the Fourth Proportional to 787,427.63, 1,181,329.16 and 254,948.82

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Solution

The fourth proportional to 787,427.63, 1,181,329.16 and 254,948.82 is: 382,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,427.63 : 1,181,329.16 = 254,948.82 : x
  2. Step 2: Convert to fraction form
    787,427.63/1,181,329.16 = 254,948.82/x
  3. Step 3: Cross multiply
    787,427.63x = 1,181,329.16 × 254,948.82
  4. Step 4: Simplify right side
    787,427.63x = 301,178,475,373.59
  5. Step 5: Solve for x
    x = 301,178,475,373.59/787,427.63
  6. Step 6: Final answer
    x = 382,484.01

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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.