Home / 940,312.68-1,410,567.40-309,275.68

Finding the Fourth Proportional to 940,312.68, 1,410,567.40 and 309,275.68

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Solution

The fourth proportional to 940,312.68, 1,410,567.40 and 309,275.68 is: 463,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,312.68 : 1,410,567.40 = 309,275.68 : x
  2. Step 2: Convert to fraction form
    940,312.68/1,410,567.40 = 309,275.68/x
  3. Step 3: Cross multiply
    940,312.68x = 1,410,567.40 × 309,275.68
  4. Step 4: Simplify right side
    940,312.68x = 436,254,191,820.83
  5. Step 5: Solve for x
    x = 436,254,191,820.83/940,312.68
  6. Step 6: Final answer
    x = 463,945.88

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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.