Home / 829,074.79-1,144,175.36-502,416.40

Finding the Fourth Proportional to 829,074.79, 1,144,175.36 and 502,416.40

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Solution

The fourth proportional to 829,074.79, 1,144,175.36 and 502,416.40 is: 693,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,074.79 : 1,144,175.36 = 502,416.40 : x
  2. Step 2: Convert to fraction form
    829,074.79/1,144,175.36 = 502,416.40/x
  3. Step 3: Cross multiply
    829,074.79x = 1,144,175.36 × 502,416.40
  4. Step 4: Simplify right side
    829,074.79x = 574,852,465,339.90
  5. Step 5: Solve for x
    x = 574,852,465,339.90/829,074.79
  6. Step 6: Final answer
    x = 693,366.23

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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.