Home / 688,051.20-1,032,076.80-373,123.20

Finding the Fourth Proportional to 688,051.20, 1,032,076.80 and 373,123.20

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Solution

The fourth proportional to 688,051.20, 1,032,076.80 and 373,123.20 is: 559,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,051.20 : 1,032,076.80 = 373,123.20 : x
  2. Step 2: Convert to fraction form
    688,051.20/1,032,076.80 = 373,123.20/x
  3. Step 3: Cross multiply
    688,051.20x = 1,032,076.80 × 373,123.20
  4. Step 4: Simplify right side
    688,051.20x = 385,091,798,261.76
  5. Step 5: Solve for x
    x = 385,091,798,261.76/688,051.20
  6. Step 6: Final answer
    x = 559,684.80

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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.