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Finding the Fourth Proportional to 425,476.08, 587,307.36 and 380,075.22

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Solution

The fourth proportional to 425,476.08, 587,307.36 and 380,075.22 is: 524,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,476.08 : 587,307.36 = 380,075.22 : x
  2. Step 2: Convert to fraction form
    425,476.08/587,307.36 = 380,075.22/x
  3. Step 3: Cross multiply
    425,476.08x = 587,307.36 × 380,075.22
  4. Step 4: Simplify right side
    425,476.08x = 223,220,974,059.62
  5. Step 5: Solve for x
    x = 223,220,974,059.62/425,476.08
  6. Step 6: Final answer
    x = 524,638.13

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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.