Home / 898,501.36-1,347,945.42-258,800.68

Finding the Fourth Proportional to 898,501.36, 1,347,945.42 and 258,800.68

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Solution

The fourth proportional to 898,501.36, 1,347,945.42 and 258,800.68 is: 388,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,501.36 : 1,347,945.42 = 258,800.68 : x
  2. Step 2: Convert to fraction form
    898,501.36/1,347,945.42 = 258,800.68/x
  3. Step 3: Cross multiply
    898,501.36x = 1,347,945.42 × 258,800.68
  4. Step 4: Simplify right side
    898,501.36x = 348,849,191,298.89
  5. Step 5: Solve for x
    x = 348,849,191,298.89/898,501.36
  6. Step 6: Final answer
    x = 388,256.72

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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.