Home / 898,533.00-1,239,981.53-490,637.67

Finding the Fourth Proportional to 898,533.00, 1,239,981.53 and 490,637.67

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Solution

The fourth proportional to 898,533.00, 1,239,981.53 and 490,637.67 is: 677,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,533.00 : 1,239,981.53 = 490,637.67 : x
  2. Step 2: Convert to fraction form
    898,533.00/1,239,981.53 = 490,637.67/x
  3. Step 3: Cross multiply
    898,533.00x = 1,239,981.53 × 490,637.67
  4. Step 4: Simplify right side
    898,533.00x = 608,381,648,722.24
  5. Step 5: Solve for x
    x = 608,381,648,722.24/898,533.00
  6. Step 6: Final answer
    x = 677,083.26

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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.