Home / 899,090.86-1,349,299.95-425,775.46

Finding the Fourth Proportional to 899,090.86, 1,349,299.95 and 425,775.46

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Solution

The fourth proportional to 899,090.86, 1,349,299.95 and 425,775.46 is: 638,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,090.86 : 1,349,299.95 = 425,775.46 : x
  2. Step 2: Convert to fraction form
    899,090.86/1,349,299.95 = 425,775.46/x
  3. Step 3: Cross multiply
    899,090.86x = 1,349,299.95 × 425,775.46
  4. Step 4: Simplify right side
    899,090.86x = 574,498,806,889.23
  5. Step 5: Solve for x
    x = 574,498,806,889.23/899,090.86
  6. Step 6: Final answer
    x = 638,977.47

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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.