Home / 934,837.65-1,290,075.56-505,117.78

Finding the Fourth Proportional to 934,837.65, 1,290,075.56 and 505,117.78

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Solution

The fourth proportional to 934,837.65, 1,290,075.56 and 505,117.78 is: 697,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,837.65 : 1,290,075.56 = 505,117.78 : x
  2. Step 2: Convert to fraction form
    934,837.65/1,290,075.56 = 505,117.78/x
  3. Step 3: Cross multiply
    934,837.65x = 1,290,075.56 × 505,117.78
  4. Step 4: Simplify right side
    934,837.65x = 651,640,102,671.21
  5. Step 5: Solve for x
    x = 651,640,102,671.21/934,837.65
  6. Step 6: Final answer
    x = 697,062.32

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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.