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Finding the Fourth Proportional to 652,678.08, 900,752.76 and 380,833.56

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Solution

The fourth proportional to 652,678.08, 900,752.76 and 380,833.56 is: 525,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,678.08 : 900,752.76 = 380,833.56 : x
  2. Step 2: Convert to fraction form
    652,678.08/900,752.76 = 380,833.56/x
  3. Step 3: Cross multiply
    652,678.08x = 900,752.76 × 380,833.56
  4. Step 4: Simplify right side
    652,678.08x = 343,036,880,270.63
  5. Step 5: Solve for x
    x = 343,036,880,270.63/652,678.08
  6. Step 6: Final answer
    x = 525,583.58

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1.5x scale

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.