Home / 874,572.80-1,312,442.40-401,014.40

Finding the Fourth Proportional to 874,572.80, 1,312,442.40 and 401,014.40

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Solution

The fourth proportional to 874,572.80, 1,312,442.40 and 401,014.40 is: 601,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,572.80 : 1,312,442.40 = 401,014.40 : x
  2. Step 2: Convert to fraction form
    874,572.80/1,312,442.40 = 401,014.40/x
  3. Step 3: Cross multiply
    874,572.80x = 1,312,442.40 × 401,014.40
  4. Step 4: Simplify right side
    874,572.80x = 526,308,301,570.56
  5. Step 5: Solve for x
    x = 526,308,301,570.56/874,572.80
  6. Step 6: Final answer
    x = 601,789.01

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1.5x scale

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.