Home / 910,302.86-1,256,690.22-665,012.36

Finding the Fourth Proportional to 910,302.86, 1,256,690.22 and 665,012.36

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Solution

The fourth proportional to 910,302.86, 1,256,690.22 and 665,012.36 is: 918,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,302.86 : 1,256,690.22 = 665,012.36 : x
  2. Step 2: Convert to fraction form
    910,302.86/1,256,690.22 = 665,012.36/x
  3. Step 3: Cross multiply
    910,302.86x = 1,256,690.22 × 665,012.36
  4. Step 4: Simplify right side
    910,302.86x = 835,714,528,991.12
  5. Step 5: Solve for x
    x = 835,714,528,991.12/910,302.86
  6. Step 6: Final answer
    x = 918,062.07

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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.