Home / 877,085.82-1,210,378.50-474,677.82

Finding the Fourth Proportional to 877,085.82, 1,210,378.50 and 474,677.82

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Solution

The fourth proportional to 877,085.82, 1,210,378.50 and 474,677.82 is: 655,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,085.82 : 1,210,378.50 = 474,677.82 : x
  2. Step 2: Convert to fraction form
    877,085.82/1,210,378.50 = 474,677.82/x
  3. Step 3: Cross multiply
    877,085.82x = 1,210,378.50 × 474,677.82
  4. Step 4: Simplify right side
    877,085.82x = 574,539,827,754.87
  5. Step 5: Solve for x
    x = 574,539,827,754.87/877,085.82
  6. Step 6: Final answer
    x = 655,055.43

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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.