Home / 779,357.79-1,075,431.65-452,607.03

Finding the Fourth Proportional to 779,357.79, 1,075,431.65 and 452,607.03

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Solution

The fourth proportional to 779,357.79, 1,075,431.65 and 452,607.03 is: 624,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,357.79 : 1,075,431.65 = 452,607.03 : x
  2. Step 2: Convert to fraction form
    779,357.79/1,075,431.65 = 452,607.03/x
  3. Step 3: Cross multiply
    779,357.79x = 1,075,431.65 × 452,607.03
  4. Step 4: Simplify right side
    779,357.79x = 486,747,922,811.46
  5. Step 5: Solve for x
    x = 486,747,922,811.46/779,357.79
  6. Step 6: Final answer
    x = 624,550.02

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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.