Home / 776,075.28-1,070,968.04-453,976.08

Finding the Fourth Proportional to 776,075.28, 1,070,968.04 and 453,976.08

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Solution

The fourth proportional to 776,075.28, 1,070,968.04 and 453,976.08 is: 626,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,075.28 : 1,070,968.04 = 453,976.08 : x
  2. Step 2: Convert to fraction form
    776,075.28/1,070,968.04 = 453,976.08/x
  3. Step 3: Cross multiply
    776,075.28x = 1,070,968.04 × 453,976.08
  4. Step 4: Simplify right side
    776,075.28x = 486,193,872,604.48
  5. Step 5: Solve for x
    x = 486,193,872,604.48/776,075.28
  6. Step 6: Final answer
    x = 626,477.72

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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.