Home / 910,443.09-1,256,411.60-502,545.02

Finding the Fourth Proportional to 910,443.09, 1,256,411.60 and 502,545.02

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Solution

The fourth proportional to 910,443.09, 1,256,411.60 and 502,545.02 is: 693,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,443.09 : 1,256,411.60 = 502,545.02 : x
  2. Step 2: Convert to fraction form
    910,443.09/1,256,411.60 = 502,545.02/x
  3. Step 3: Cross multiply
    910,443.09x = 1,256,411.60 × 502,545.02
  4. Step 4: Simplify right side
    910,443.09x = 631,403,392,650.23
  5. Step 5: Solve for x
    x = 631,403,392,650.23/910,443.09
  6. Step 6: Final answer
    x = 693,512.20

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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.