Home / 901,075.40-1,243,433.45-493,176.41

Finding the Fourth Proportional to 901,075.40, 1,243,433.45 and 493,176.41

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Solution

The fourth proportional to 901,075.40, 1,243,433.45 and 493,176.41 is: 680,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,075.40 : 1,243,433.45 = 493,176.41 : x
  2. Step 2: Convert to fraction form
    901,075.40/1,243,433.45 = 493,176.41/x
  3. Step 3: Cross multiply
    901,075.40x = 1,243,433.45 × 493,176.41
  4. Step 4: Simplify right side
    901,075.40x = 613,232,036,261.87
  5. Step 5: Solve for x
    x = 613,232,036,261.87/901,075.40
  6. Step 6: Final answer
    x = 680,555.74

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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.