Home / 779,384.40-1,075,244.46-452,641.79

Finding the Fourth Proportional to 779,384.40, 1,075,244.46 and 452,641.79

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Solution

The fourth proportional to 779,384.40, 1,075,244.46 and 452,641.79 is: 624,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,384.40 : 1,075,244.46 = 452,641.79 : x
  2. Step 2: Convert to fraction form
    779,384.40/1,075,244.46 = 452,641.79/x
  3. Step 3: Cross multiply
    779,384.40x = 1,075,244.46 × 452,641.79
  4. Step 4: Simplify right side
    779,384.40x = 486,700,580,598.80
  5. Step 5: Solve for x
    x = 486,700,580,598.80/779,384.40
  6. Step 6: Final answer
    x = 624,467.95

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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.