Home / 907,266.40-1,360,899.60-509,135.20

Finding the Fourth Proportional to 907,266.40, 1,360,899.60 and 509,135.20

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Solution

The fourth proportional to 907,266.40, 1,360,899.60 and 509,135.20 is: 763,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,266.40 : 1,360,899.60 = 509,135.20 : x
  2. Step 2: Convert to fraction form
    907,266.40/1,360,899.60 = 509,135.20/x
  3. Step 3: Cross multiply
    907,266.40x = 1,360,899.60 × 509,135.20
  4. Step 4: Simplify right side
    907,266.40x = 692,881,890,025.92
  5. Step 5: Solve for x
    x = 692,881,890,025.92/907,266.40
  6. Step 6: Final answer
    x = 763,702.80

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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.