Home / 714,585.48-1,071,062.85-287,848.23

Finding the Fourth Proportional to 714,585.48, 1,071,062.85 and 287,848.23

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Solution

The fourth proportional to 714,585.48, 1,071,062.85 and 287,848.23 is: 431,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,585.48 : 1,071,062.85 = 287,848.23 : x
  2. Step 2: Convert to fraction form
    714,585.48/1,071,062.85 = 287,848.23/x
  3. Step 3: Cross multiply
    714,585.48x = 1,071,062.85 × 287,848.23
  4. Step 4: Simplify right side
    714,585.48x = 308,303,545,591.26
  5. Step 5: Solve for x
    x = 308,303,545,591.26/714,585.48
  6. Step 6: Final answer
    x = 431,443.90

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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.