Home / 920,426.10-1,380,075.39-358,804.50

Finding the Fourth Proportional to 920,426.10, 1,380,075.39 and 358,804.50

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Solution

The fourth proportional to 920,426.10, 1,380,075.39 and 358,804.50 is: 537,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,426.10 : 1,380,075.39 = 358,804.50 : x
  2. Step 2: Convert to fraction form
    920,426.10/1,380,075.39 = 358,804.50/x
  3. Step 3: Cross multiply
    920,426.10x = 1,380,075.39 × 358,804.50
  4. Step 4: Simplify right side
    920,426.10x = 495,177,260,271.26
  5. Step 5: Solve for x
    x = 495,177,260,271.26/920,426.10
  6. Step 6: Final answer
    x = 537,986.98

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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.