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Finding the Fourth Proportional to 570,075.04, 787,168.60 and 366,227.20

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Solution

The fourth proportional to 570,075.04, 787,168.60 and 366,227.20 is: 505,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,075.04 : 787,168.60 = 366,227.20 : x
  2. Step 2: Convert to fraction form
    570,075.04/787,168.60 = 366,227.20/x
  3. Step 3: Cross multiply
    570,075.04x = 787,168.60 × 366,227.20
  4. Step 4: Simplify right side
    570,075.04x = 288,282,552,305.92
  5. Step 5: Solve for x
    x = 288,282,552,305.92/570,075.04
  6. Step 6: Final answer
    x = 505,692.29

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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.