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Finding the Fourth Proportional to 704,792.51, 972,605.57 and 382,502.82

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Solution

The fourth proportional to 704,792.51, 972,605.57 and 382,502.82 is: 527,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,792.51 : 972,605.57 = 382,502.82 : x
  2. Step 2: Convert to fraction form
    704,792.51/972,605.57 = 382,502.82/x
  3. Step 3: Cross multiply
    704,792.51x = 972,605.57 × 382,502.82
  4. Step 4: Simplify right side
    704,792.51x = 372,024,371,360.19
  5. Step 5: Solve for x
    x = 372,024,371,360.19/704,792.51
  6. Step 6: Final answer
    x = 527,849.50

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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.