Home / 495,430.22-683,697.21-269,075.72

Finding the Fourth Proportional to 495,430.22, 683,697.21 and 269,075.72

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Solution

The fourth proportional to 495,430.22, 683,697.21 and 269,075.72 is: 371,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,430.22 : 683,697.21 = 269,075.72 : x
  2. Step 2: Convert to fraction form
    495,430.22/683,697.21 = 269,075.72/x
  3. Step 3: Cross multiply
    495,430.22x = 683,697.21 × 269,075.72
  4. Step 4: Simplify right side
    495,430.22x = 183,966,319,742.95
  5. Step 5: Solve for x
    x = 183,966,319,742.95/495,430.22
  6. Step 6: Final answer
    x = 371,326.40

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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.