Home / 790,378.90-1,185,569.20-369,950.02

Finding the Fourth Proportional to 790,378.90, 1,185,569.20 and 369,950.02

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Solution

The fourth proportional to 790,378.90, 1,185,569.20 and 369,950.02 is: 554,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,378.90 : 1,185,569.20 = 369,950.02 : x
  2. Step 2: Convert to fraction form
    790,378.90/1,185,569.20 = 369,950.02/x
  3. Step 3: Cross multiply
    790,378.90x = 1,185,569.20 × 369,950.02
  4. Step 4: Simplify right side
    790,378.90x = 438,601,349,251.38
  5. Step 5: Solve for x
    x = 438,601,349,251.38/790,378.90
  6. Step 6: Final answer
    x = 554,925.43

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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.