Home / 877,535.60-1,314,335.10-720,071.60

Finding the Fourth Proportional to 877,535.60, 1,314,335.10 and 720,071.60

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Solution

The fourth proportional to 877,535.60, 1,314,335.10 and 720,071.60 is: 1,078,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,535.60 : 1,314,335.10 = 720,071.60 : x
  2. Step 2: Convert to fraction form
    877,535.60/1,314,335.10 = 720,071.60/x
  3. Step 3: Cross multiply
    877,535.60x = 1,314,335.10 × 720,071.60
  4. Step 4: Simplify right side
    877,535.60x = 946,415,378,393.16
  5. Step 5: Solve for x
    x = 946,415,378,393.16/877,535.60
  6. Step 6: Final answer
    x = 1,078,492.29

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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.