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Finding the Fourth Proportional to 710,620.02, 980,702.24 and 400,599.14

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Solution

The fourth proportional to 710,620.02, 980,702.24 and 400,599.14 is: 552,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,620.02 : 980,702.24 = 400,599.14 : x
  2. Step 2: Convert to fraction form
    710,620.02/980,702.24 = 400,599.14/x
  3. Step 3: Cross multiply
    710,620.02x = 980,702.24 × 400,599.14
  4. Step 4: Simplify right side
    710,620.02x = 392,868,467,033.57
  5. Step 5: Solve for x
    x = 392,868,467,033.57/710,620.02
  6. Step 6: Final answer
    x = 552,853.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.