Home / 783,422.10-1,175,521.95-446,721.30

Finding the Fourth Proportional to 783,422.10, 1,175,521.95 and 446,721.30

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Solution

The fourth proportional to 783,422.10, 1,175,521.95 and 446,721.30 is: 670,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,422.10 : 1,175,521.95 = 446,721.30 : x
  2. Step 2: Convert to fraction form
    783,422.10/1,175,521.95 = 446,721.30/x
  3. Step 3: Cross multiply
    783,422.10x = 1,175,521.95 × 446,721.30
  4. Step 4: Simplify right side
    783,422.10x = 525,130,693,682.54
  5. Step 5: Solve for x
    x = 525,130,693,682.54/783,422.10
  6. Step 6: Final answer
    x = 670,303.65

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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.