Home / 589,008.09-812,809.55-359,948.70

Finding the Fourth Proportional to 589,008.09, 812,809.55 and 359,948.70

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Solution

The fourth proportional to 589,008.09, 812,809.55 and 359,948.70 is: 496,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,008.09 : 812,809.55 = 359,948.70 : x
  2. Step 2: Convert to fraction form
    589,008.09/812,809.55 = 359,948.70/x
  3. Step 3: Cross multiply
    589,008.09x = 812,809.55 × 359,948.70
  4. Step 4: Simplify right side
    589,008.09x = 292,569,740,870.09
  5. Step 5: Solve for x
    x = 292,569,740,870.09/589,008.09
  6. Step 6: Final answer
    x = 496,716.00

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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.