Home / 910,491.33-1,256,507.77-497,050.15

Finding the Fourth Proportional to 910,491.33, 1,256,507.77 and 497,050.15

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Solution

The fourth proportional to 910,491.33, 1,256,507.77 and 497,050.15 is: 685,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,491.33 : 1,256,507.77 = 497,050.15 : x
  2. Step 2: Convert to fraction form
    910,491.33/1,256,507.77 = 497,050.15/x
  3. Step 3: Cross multiply
    910,491.33x = 1,256,507.77 × 497,050.15
  4. Step 4: Simplify right side
    910,491.33x = 624,547,379,938.56
  5. Step 5: Solve for x
    x = 624,547,379,938.56/910,491.33
  6. Step 6: Final answer
    x = 685,945.44

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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.