Home / 768,904.46-1,153,603.48-369,574.20

Finding the Fourth Proportional to 768,904.46, 1,153,603.48 and 369,574.20

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Solution

The fourth proportional to 768,904.46, 1,153,603.48 and 369,574.20 is: 554,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,904.46 : 1,153,603.48 = 369,574.20 : x
  2. Step 2: Convert to fraction form
    768,904.46/1,153,603.48 = 369,574.20/x
  3. Step 3: Cross multiply
    768,904.46x = 1,153,603.48 × 369,574.20
  4. Step 4: Simplify right side
    768,904.46x = 426,342,083,238.22
  5. Step 5: Solve for x
    x = 426,342,083,238.22/768,904.46
  6. Step 6: Final answer
    x = 554,479.92

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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.