Home / 990,927.66-1,367,434.26-561,210.93

Finding the Fourth Proportional to 990,927.66, 1,367,434.26 and 561,210.93

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Solution

The fourth proportional to 990,927.66, 1,367,434.26 and 561,210.93 is: 774,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,927.66 : 1,367,434.26 = 561,210.93 : x
  2. Step 2: Convert to fraction form
    990,927.66/1,367,434.26 = 561,210.93/x
  3. Step 3: Cross multiply
    990,927.66x = 1,367,434.26 × 561,210.93
  4. Step 4: Simplify right side
    990,927.66x = 767,419,052,768.46
  5. Step 5: Solve for x
    x = 767,419,052,768.46/990,927.66
  6. Step 6: Final answer
    x = 774,445.08

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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.