Home / 778,966.80-1,166,117.40-463,261.20

Finding the Fourth Proportional to 778,966.80, 1,166,117.40 and 463,261.20

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Solution

The fourth proportional to 778,966.80, 1,166,117.40 and 463,261.20 is: 693,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,966.80 : 1,166,117.40 = 463,261.20 : x
  2. Step 2: Convert to fraction form
    778,966.80/1,166,117.40 = 463,261.20/x
  3. Step 3: Cross multiply
    778,966.80x = 1,166,117.40 × 463,261.20
  4. Step 4: Simplify right side
    778,966.80x = 540,216,946,064.88
  5. Step 5: Solve for x
    x = 540,216,946,064.88/778,966.80
  6. Step 6: Final answer
    x = 693,504.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.