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Finding the Fourth Proportional to 526,476.40, 788,807.40 and 245,417.20

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Solution

The fourth proportional to 526,476.40, 788,807.40 and 245,417.20 is: 367,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,476.40 : 788,807.40 = 245,417.20 : x
  2. Step 2: Convert to fraction form
    526,476.40/788,807.40 = 245,417.20/x
  3. Step 3: Cross multiply
    526,476.40x = 788,807.40 × 245,417.20
  4. Step 4: Simplify right side
    526,476.40x = 193,586,903,447.28
  5. Step 5: Solve for x
    x = 193,586,903,447.28/526,476.40
  6. Step 6: Final answer
    x = 367,702.91

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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.