Home / 915,460.32-1,263,335.04-507,560.88

Finding the Fourth Proportional to 915,460.32, 1,263,335.04 and 507,560.88

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Solution

The fourth proportional to 915,460.32, 1,263,335.04 and 507,560.88 is: 700,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,460.32 : 1,263,335.04 = 507,560.88 : x
  2. Step 2: Convert to fraction form
    915,460.32/1,263,335.04 = 507,560.88/x
  3. Step 3: Cross multiply
    915,460.32x = 1,263,335.04 × 507,560.88
  4. Step 4: Simplify right side
    915,460.32x = 641,219,444,637.24
  5. Step 5: Solve for x
    x = 641,219,444,637.24/915,460.32
  6. Step 6: Final answer
    x = 700,433.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.