Home / 898,488.63-1,239,767.93-530,914.61

Finding the Fourth Proportional to 898,488.63, 1,239,767.93 and 530,914.61

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Solution

The fourth proportional to 898,488.63, 1,239,767.93 and 530,914.61 is: 732,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,488.63 : 1,239,767.93 = 530,914.61 : x
  2. Step 2: Convert to fraction form
    898,488.63/1,239,767.93 = 530,914.61/x
  3. Step 3: Cross multiply
    898,488.63x = 1,239,767.93 × 530,914.61
  4. Step 4: Simplify right side
    898,488.63x = 658,210,911,473.16
  5. Step 5: Solve for x
    x = 658,210,911,473.16/898,488.63
  6. Step 6: Final answer
    x = 732,575.67

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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.