Home / 910,508.45-1,256,571.23-502,688.84

Finding the Fourth Proportional to 910,508.45, 1,256,571.23 and 502,688.84

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Solution

The fourth proportional to 910,508.45, 1,256,571.23 and 502,688.84 is: 693,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,508.45 : 1,256,571.23 = 502,688.84 : x
  2. Step 2: Convert to fraction form
    910,508.45/1,256,571.23 = 502,688.84/x
  3. Step 3: Cross multiply
    910,508.45x = 1,256,571.23 × 502,688.84
  4. Step 4: Simplify right side
    910,508.45x = 631,664,325,189.77
  5. Step 5: Solve for x
    x = 631,664,325,189.77/910,508.45
  6. Step 6: Final answer
    x = 693,749.00

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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.