Home / 877,726.88-1,210,920.19-510,142.94

Finding the Fourth Proportional to 877,726.88, 1,210,920.19 and 510,142.94

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Solution

The fourth proportional to 877,726.88, 1,210,920.19 and 510,142.94 is: 703,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,726.88 : 1,210,920.19 = 510,142.94 : x
  2. Step 2: Convert to fraction form
    877,726.88/1,210,920.19 = 510,142.94/x
  3. Step 3: Cross multiply
    877,726.88x = 1,210,920.19 × 510,142.94
  4. Step 4: Simplify right side
    877,726.88x = 617,742,377,226.64
  5. Step 5: Solve for x
    x = 617,742,377,226.64/877,726.88
  6. Step 6: Final answer
    x = 703,797.95

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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.