Home / 952,205.80-1,428,308.70-287,271.40

Finding the Fourth Proportional to 952,205.80, 1,428,308.70 and 287,271.40

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Solution

The fourth proportional to 952,205.80, 1,428,308.70 and 287,271.40 is: 430,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,205.80 : 1,428,308.70 = 287,271.40 : x
  2. Step 2: Convert to fraction form
    952,205.80/1,428,308.70 = 287,271.40/x
  3. Step 3: Cross multiply
    952,205.80x = 1,428,308.70 × 287,271.40
  4. Step 4: Simplify right side
    952,205.80x = 410,312,239,881.18
  5. Step 5: Solve for x
    x = 410,312,239,881.18/952,205.80
  6. Step 6: Final answer
    x = 430,907.10

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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.