Home / 910,659.83-1,256,712.41-502,762.46

Finding the Fourth Proportional to 910,659.83, 1,256,712.41 and 502,762.46

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Solution

The fourth proportional to 910,659.83, 1,256,712.41 and 502,762.46 is: 693,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,659.83 : 1,256,712.41 = 502,762.46 : x
  2. Step 2: Convert to fraction form
    910,659.83/1,256,712.41 = 502,762.46/x
  3. Step 3: Cross multiply
    910,659.83x = 1,256,712.41 × 502,762.46
  4. Step 4: Simplify right side
    910,659.83x = 631,827,817,737.47
  5. Step 5: Solve for x
    x = 631,827,817,737.47/910,659.83
  6. Step 6: Final answer
    x = 693,813.21

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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.