Home / 598,971.40-898,457.10-319,035.40

Finding the Fourth Proportional to 598,971.40, 898,457.10 and 319,035.40

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Solution

The fourth proportional to 598,971.40, 898,457.10 and 319,035.40 is: 478,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,971.40 : 898,457.10 = 319,035.40 : x
  2. Step 2: Convert to fraction form
    598,971.40/898,457.10 = 319,035.40/x
  3. Step 3: Cross multiply
    598,971.40x = 898,457.10 × 319,035.40
  4. Step 4: Simplify right side
    598,971.40x = 286,639,620,281.34
  5. Step 5: Solve for x
    x = 286,639,620,281.34/598,971.40
  6. Step 6: Final answer
    x = 478,553.10

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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.