Home / 589,009.09-812,810.93-359,949.70

Finding the Fourth Proportional to 589,009.09, 812,810.93 and 359,949.70

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Solution

The fourth proportional to 589,009.09, 812,810.93 and 359,949.70 is: 496,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,009.09 : 812,810.93 = 359,949.70 : x
  2. Step 2: Convert to fraction form
    589,009.09/812,810.93 = 359,949.70/x
  3. Step 3: Cross multiply
    589,009.09x = 812,810.93 × 359,949.70
  4. Step 4: Simplify right side
    589,009.09x = 292,571,050,410.22
  5. Step 5: Solve for x
    x = 292,571,050,410.22/589,009.09
  6. Step 6: Final answer
    x = 496,717.38

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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.