Home / 821,075.46-1,132,762.37-476,852.55

Finding the Fourth Proportional to 821,075.46, 1,132,762.37 and 476,852.55

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Solution

The fourth proportional to 821,075.46, 1,132,762.37 and 476,852.55 is: 657,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,075.46 : 1,132,762.37 = 476,852.55 : x
  2. Step 2: Convert to fraction form
    821,075.46/1,132,762.37 = 476,852.55/x
  3. Step 3: Cross multiply
    821,075.46x = 1,132,762.37 × 476,852.55
  4. Step 4: Simplify right side
    821,075.46x = 540,160,622,294.28
  5. Step 5: Solve for x
    x = 540,160,622,294.28/821,075.46
  6. Step 6: Final answer
    x = 657,869.65

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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.