Home / 877,726.13-1,210,919.15-510,142.19

Finding the Fourth Proportional to 877,726.13, 1,210,919.15 and 510,142.19

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Solution

The fourth proportional to 877,726.13, 1,210,919.15 and 510,142.19 is: 703,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,726.13 : 1,210,919.15 = 510,142.19 : x
  2. Step 2: Convert to fraction form
    877,726.13/1,210,919.15 = 510,142.19/x
  3. Step 3: Cross multiply
    877,726.13x = 1,210,919.15 × 510,142.19
  4. Step 4: Simplify right side
    877,726.13x = 617,740,942,314.70
  5. Step 5: Solve for x
    x = 617,740,942,314.70/877,726.13
  6. Step 6: Final answer
    x = 703,796.92

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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.