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Finding the Fourth Proportional to 501,455.84, 692,006.36 and 272,017.67

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Solution

The fourth proportional to 501,455.84, 692,006.36 and 272,017.67 is: 375,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,455.84 : 692,006.36 = 272,017.67 : x
  2. Step 2: Convert to fraction form
    501,455.84/692,006.36 = 272,017.67/x
  3. Step 3: Cross multiply
    501,455.84x = 692,006.36 × 272,017.67
  4. Step 4: Simplify right side
    501,455.84x = 188,237,952,852.26
  5. Step 5: Solve for x
    x = 188,237,952,852.26/501,455.84
  6. Step 6: Final answer
    x = 375,382.91

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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.