Home / 910,339.96-1,256,268.36-507,931.96

Finding the Fourth Proportional to 910,339.96, 1,256,268.36 and 507,931.96

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Solution

The fourth proportional to 910,339.96, 1,256,268.36 and 507,931.96 is: 700,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,339.96 : 1,256,268.36 = 507,931.96 : x
  2. Step 2: Convert to fraction form
    910,339.96/1,256,268.36 = 507,931.96/x
  3. Step 3: Cross multiply
    910,339.96x = 1,256,268.36 × 507,931.96
  4. Step 4: Simplify right side
    910,339.96x = 638,098,850,380.79
  5. Step 5: Solve for x
    x = 638,098,850,380.79/910,339.96
  6. Step 6: Final answer
    x = 700,945.67

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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.