Home / 845,946.40-1,166,794.32-718,420

Finding the Fourth Proportional to 845,946.40, 1,166,794.32 and 718,420

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Solution

The fourth proportional to 845,946.40, 1,166,794.32 and 718,420 is: 990,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,946.40 : 1,166,794.32 = 718,420 : x
  2. Step 2: Convert to fraction form
    845,946.40/1,166,794.32 = 718,420/x
  3. Step 3: Cross multiply
    845,946.40x = 1,166,794.32 × 718,420
  4. Step 4: Simplify right side
    845,946.40x = 838,248,375,374.40
  5. Step 5: Solve for x
    x = 838,248,375,374.40/845,946.40
  6. Step 6: Final answer
    x = 990,900.10

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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.