Home / 738,637.33-1,020,159.81-496,499.38

Finding the Fourth Proportional to 738,637.33, 1,020,159.81 and 496,499.38

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Solution

The fourth proportional to 738,637.33, 1,020,159.81 and 496,499.38 is: 685,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,637.33 : 1,020,159.81 = 496,499.38 : x
  2. Step 2: Convert to fraction form
    738,637.33/1,020,159.81 = 496,499.38/x
  3. Step 3: Cross multiply
    738,637.33x = 1,020,159.81 × 496,499.38
  4. Step 4: Simplify right side
    738,637.33x = 506,508,713,165.92
  5. Step 5: Solve for x
    x = 506,508,713,165.92/738,637.33
  6. Step 6: Final answer
    x = 685,733.98

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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.