Home / 1,031,427.88-1,547,152.48-311,775.55

Finding the Fourth Proportional to 1,031,427.88, 1,547,152.48 and 311,775.55

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Solution

The fourth proportional to 1,031,427.88, 1,547,152.48 and 311,775.55 is: 467,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,427.88 : 1,547,152.48 = 311,775.55 : x
  2. Step 2: Convert to fraction form
    1,031,427.88/1,547,152.48 = 311,775.55/x
  3. Step 3: Cross multiply
    1,031,427.88x = 1,547,152.48 × 311,775.55
  4. Step 4: Simplify right side
    1,031,427.88x = 482,364,311,907.70
  5. Step 5: Solve for x
    x = 482,364,311,907.70/1,031,427.88
  6. Step 6: Final answer
    x = 467,666.55

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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.