Home / 658,609.23-908,875.04-356,802.51

Finding the Fourth Proportional to 658,609.23, 908,875.04 and 356,802.51

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Solution

The fourth proportional to 658,609.23, 908,875.04 and 356,802.51 is: 492,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,609.23 : 908,875.04 = 356,802.51 : x
  2. Step 2: Convert to fraction form
    658,609.23/908,875.04 = 356,802.51/x
  3. Step 3: Cross multiply
    658,609.23x = 908,875.04 × 356,802.51
  4. Step 4: Simplify right side
    658,609.23x = 324,288,893,764.34
  5. Step 5: Solve for x
    x = 324,288,893,764.34/658,609.23
  6. Step 6: Final answer
    x = 492,384.37

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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.