Home / 908,542.80-1,362,814.20-434,984.40

Finding the Fourth Proportional to 908,542.80, 1,362,814.20 and 434,984.40

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Solution

The fourth proportional to 908,542.80, 1,362,814.20 and 434,984.40 is: 652,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,542.80 : 1,362,814.20 = 434,984.40 : x
  2. Step 2: Convert to fraction form
    908,542.80/1,362,814.20 = 434,984.40/x
  3. Step 3: Cross multiply
    908,542.80x = 1,362,814.20 × 434,984.40
  4. Step 4: Simplify right side
    908,542.80x = 592,802,917,098.48
  5. Step 5: Solve for x
    x = 592,802,917,098.48/908,542.80
  6. Step 6: Final answer
    x = 652,476.60

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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.