Home / 910,666.76-1,256,720.46-502,768.94

Finding the Fourth Proportional to 910,666.76, 1,256,720.46 and 502,768.94

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Solution

The fourth proportional to 910,666.76, 1,256,720.46 and 502,768.94 is: 693,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,666.76 : 1,256,720.46 = 502,768.94 : x
  2. Step 2: Convert to fraction form
    910,666.76/1,256,720.46 = 502,768.94/x
  3. Step 3: Cross multiply
    910,666.76x = 1,256,720.46 × 502,768.94
  4. Step 4: Simplify right side
    910,666.76x = 631,840,013,550.51
  5. Step 5: Solve for x
    x = 631,840,013,550.51/910,666.76
  6. Step 6: Final answer
    x = 693,821.32

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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.