Home / 922,555.20-1,384,019.58-390,075.36

Finding the Fourth Proportional to 922,555.20, 1,384,019.58 and 390,075.36

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Solution

The fourth proportional to 922,555.20, 1,384,019.58 and 390,075.36 is: 585,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,555.20 : 1,384,019.58 = 390,075.36 : x
  2. Step 2: Convert to fraction form
    922,555.20/1,384,019.58 = 390,075.36/x
  3. Step 3: Cross multiply
    922,555.20x = 1,384,019.58 × 390,075.36
  4. Step 4: Simplify right side
    922,555.20x = 539,871,935,915.55
  5. Step 5: Solve for x
    x = 539,871,935,915.55/922,555.20
  6. Step 6: Final answer
    x = 585,192.01

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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.