Home / 630,752.05-946,278.74-210,031.57

Finding the Fourth Proportional to 630,752.05, 946,278.74 and 210,031.57

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Solution

The fourth proportional to 630,752.05, 946,278.74 and 210,031.57 is: 315,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,752.05 : 946,278.74 = 210,031.57 : x
  2. Step 2: Convert to fraction form
    630,752.05/946,278.74 = 210,031.57/x
  3. Step 3: Cross multiply
    630,752.05x = 946,278.74 × 210,031.57
  4. Step 4: Simplify right side
    630,752.05x = 198,748,409,419.82
  5. Step 5: Solve for x
    x = 198,748,409,419.82/630,752.05
  6. Step 6: Final answer
    x = 315,097.52

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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.