Home / 917,711.34-1,376,763.99-384,925.32

Finding the Fourth Proportional to 917,711.34, 1,376,763.99 and 384,925.32

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Solution

The fourth proportional to 917,711.34, 1,376,763.99 and 384,925.32 is: 577,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,711.34 : 1,376,763.99 = 384,925.32 : x
  2. Step 2: Convert to fraction form
    917,711.34/1,376,763.99 = 384,925.32/x
  3. Step 3: Cross multiply
    917,711.34x = 1,376,763.99 × 384,925.32
  4. Step 4: Simplify right side
    917,711.34x = 529,951,319,415.23
  5. Step 5: Solve for x
    x = 529,951,319,415.23/917,711.34
  6. Step 6: Final answer
    x = 577,470.60

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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.