Home / 758,961.76-1,047,368.25-436,665.40

Finding the Fourth Proportional to 758,961.76, 1,047,368.25 and 436,665.40

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Solution

The fourth proportional to 758,961.76, 1,047,368.25 and 436,665.40 is: 602,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,961.76 : 1,047,368.25 = 436,665.40 : x
  2. Step 2: Convert to fraction form
    758,961.76/1,047,368.25 = 436,665.40/x
  3. Step 3: Cross multiply
    758,961.76x = 1,047,368.25 × 436,665.40
  4. Step 4: Simplify right side
    758,961.76x = 457,349,475,833.55
  5. Step 5: Solve for x
    x = 457,349,475,833.55/758,961.76
  6. Step 6: Final answer
    x = 602,598.84

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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.