Home / 688,706.34-1,032,467.79-239,368.86

Finding the Fourth Proportional to 688,706.34, 1,032,467.79 and 239,368.86

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Solution

The fourth proportional to 688,706.34, 1,032,467.79 and 239,368.86 is: 358,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,706.34 : 1,032,467.79 = 239,368.86 : x
  2. Step 2: Convert to fraction form
    688,706.34/1,032,467.79 = 239,368.86/x
  3. Step 3: Cross multiply
    688,706.34x = 1,032,467.79 × 239,368.86
  4. Step 4: Simplify right side
    688,706.34x = 247,140,637,879.02
  5. Step 5: Solve for x
    x = 247,140,637,879.02/688,706.34
  6. Step 6: Final answer
    x = 358,847.63

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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.