Home / 910,509.45-1,256,572.61-502,689.84

Finding the Fourth Proportional to 910,509.45, 1,256,572.61 and 502,689.84

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Solution

The fourth proportional to 910,509.45, 1,256,572.61 and 502,689.84 is: 693,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,509.45 : 1,256,572.61 = 502,689.84 : x
  2. Step 2: Convert to fraction form
    910,509.45/1,256,572.61 = 502,689.84/x
  3. Step 3: Cross multiply
    910,509.45x = 1,256,572.61 × 502,689.84
  4. Step 4: Simplify right side
    910,509.45x = 631,666,284,269.28
  5. Step 5: Solve for x
    x = 631,666,284,269.28/910,509.45
  6. Step 6: Final answer
    x = 693,750.39

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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.