Home / 905,225.16-1,249,250.26-502,817.16

Finding the Fourth Proportional to 905,225.16, 1,249,250.26 and 502,817.16

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Solution

The fourth proportional to 905,225.16, 1,249,250.26 and 502,817.16 is: 693,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,225.16 : 1,249,250.26 = 502,817.16 : x
  2. Step 2: Convert to fraction form
    905,225.16/1,249,250.26 = 502,817.16/x
  3. Step 3: Cross multiply
    905,225.16x = 1,249,250.26 × 502,817.16
  4. Step 4: Simplify right side
    905,225.16x = 628,144,467,862.46
  5. Step 5: Solve for x
    x = 628,144,467,862.46/905,225.16
  6. Step 6: Final answer
    x = 693,909.64

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Double scale
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1.5x scale

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.