Home / 989,288.76-1,484,052-349,461.12

Finding the Fourth Proportional to 989,288.76, 1,484,052 and 349,461.12

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Solution

The fourth proportional to 989,288.76, 1,484,052 and 349,461.12 is: 524,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,288.76 : 1,484,052 = 349,461.12 : x
  2. Step 2: Convert to fraction form
    989,288.76/1,484,052 = 349,461.12/x
  3. Step 3: Cross multiply
    989,288.76x = 1,484,052 × 349,461.12
  4. Step 4: Simplify right side
    989,288.76x = 518,618,474,058.24
  5. Step 5: Solve for x
    x = 518,618,474,058.24/989,288.76
  6. Step 6: Final answer
    x = 524,233.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.