Home / 898,484.15-1,239,914.18-490,588.85

Finding the Fourth Proportional to 898,484.15, 1,239,914.18 and 490,588.85

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Solution

The fourth proportional to 898,484.15, 1,239,914.18 and 490,588.85 is: 677,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,484.15 : 1,239,914.18 = 490,588.85 : x
  2. Step 2: Convert to fraction form
    898,484.15/1,239,914.18 = 490,588.85/x
  3. Step 3: Cross multiply
    898,484.15x = 1,239,914.18 × 490,588.85
  4. Step 4: Simplify right side
    898,484.15x = 608,288,075,991.15
  5. Step 5: Solve for x
    x = 608,288,075,991.15/898,484.15
  6. Step 6: Final answer
    x = 677,015.92

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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.