Home / 918,216.75-1,377,404.51-253,368.75

Finding the Fourth Proportional to 918,216.75, 1,377,404.51 and 253,368.75

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Solution

The fourth proportional to 918,216.75, 1,377,404.51 and 253,368.75 is: 380,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,216.75 : 1,377,404.51 = 253,368.75 : x
  2. Step 2: Convert to fraction form
    918,216.75/1,377,404.51 = 253,368.75/x
  3. Step 3: Cross multiply
    918,216.75x = 1,377,404.51 × 253,368.75
  4. Step 4: Simplify right side
    918,216.75x = 348,991,257,676.22
  5. Step 5: Solve for x
    x = 348,991,257,676.22/918,216.75
  6. Step 6: Final answer
    x = 380,075.03

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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.