Home / 692,603.20-1,038,904.80-651,131.20

Finding the Fourth Proportional to 692,603.20, 1,038,904.80 and 651,131.20

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Solution

The fourth proportional to 692,603.20, 1,038,904.80 and 651,131.20 is: 976,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,603.20 : 1,038,904.80 = 651,131.20 : x
  2. Step 2: Convert to fraction form
    692,603.20/1,038,904.80 = 651,131.20/x
  3. Step 3: Cross multiply
    692,603.20x = 1,038,904.80 × 651,131.20
  4. Step 4: Simplify right side
    692,603.20x = 676,463,329,109.76
  5. Step 5: Solve for x
    x = 676,463,329,109.76/692,603.20
  6. Step 6: Final answer
    x = 976,696.80

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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.