Home / 918,075.52-1,376,803.68-349,321.60

Finding the Fourth Proportional to 918,075.52, 1,376,803.68 and 349,321.60

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Solution

The fourth proportional to 918,075.52, 1,376,803.68 and 349,321.60 is: 523,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,075.52 : 1,376,803.68 = 349,321.60 : x
  2. Step 2: Convert to fraction form
    918,075.52/1,376,803.68 = 349,321.60/x
  3. Step 3: Cross multiply
    918,075.52x = 1,376,803.68 × 349,321.60
  4. Step 4: Simplify right side
    918,075.52x = 480,947,264,383.49
  5. Step 5: Solve for x
    x = 480,947,264,383.49/918,075.52
  6. Step 6: Final answer
    x = 523,864.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.