Home / 714,968.66-1,072,214.84-288,394.32

Finding the Fourth Proportional to 714,968.66, 1,072,214.84 and 288,394.32

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Solution

The fourth proportional to 714,968.66, 1,072,214.84 and 288,394.32 is: 432,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,968.66 : 1,072,214.84 = 288,394.32 : x
  2. Step 2: Convert to fraction form
    714,968.66/1,072,214.84 = 288,394.32/x
  3. Step 3: Cross multiply
    714,968.66x = 1,072,214.84 × 288,394.32
  4. Step 4: Simplify right side
    714,968.66x = 309,220,669,675.71
  5. Step 5: Solve for x
    x = 309,220,669,675.71/714,968.66
  6. Step 6: Final answer
    x = 432,495.42

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1.5x scale

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.