Home / 989,289.76-1,484,053.50-349,462.12

Finding the Fourth Proportional to 989,289.76, 1,484,053.50 and 349,462.12

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Solution

The fourth proportional to 989,289.76, 1,484,053.50 and 349,462.12 is: 524,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,289.76 : 1,484,053.50 = 349,462.12 : x
  2. Step 2: Convert to fraction form
    989,289.76/1,484,053.50 = 349,462.12/x
  3. Step 3: Cross multiply
    989,289.76x = 1,484,053.50 × 349,462.12
  4. Step 4: Simplify right side
    989,289.76x = 518,620,482,303.42
  5. Step 5: Solve for x
    x = 518,620,482,303.42/989,289.76
  6. Step 6: Final answer
    x = 524,235.17

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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.