Home / 839,095.29-1,157,981.27-476,509.05

Finding the Fourth Proportional to 839,095.29, 1,157,981.27 and 476,509.05

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Solution

The fourth proportional to 839,095.29, 1,157,981.27 and 476,509.05 is: 657,599.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,095.29 : 1,157,981.27 = 476,509.05 : x
  2. Step 2: Convert to fraction form
    839,095.29/1,157,981.27 = 476,509.05/x
  3. Step 3: Cross multiply
    839,095.29x = 1,157,981.27 × 476,509.05
  4. Step 4: Simplify right side
    839,095.29x = 551,788,552,502.95
  5. Step 5: Solve for x
    x = 551,788,552,502.95/839,095.29
  6. Step 6: Final answer
    x = 657,599.39

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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.