Home / 910,378.41-1,256,322.20-507,970.41

Finding the Fourth Proportional to 910,378.41, 1,256,322.20 and 507,970.41

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Solution

The fourth proportional to 910,378.41, 1,256,322.20 and 507,970.41 is: 700,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,378.41 : 1,256,322.20 = 507,970.41 : x
  2. Step 2: Convert to fraction form
    910,378.41/1,256,322.20 = 507,970.41/x
  3. Step 3: Cross multiply
    910,378.41x = 1,256,322.20 × 507,970.41
  4. Step 4: Simplify right side
    910,378.41x = 638,174,498,632.38
  5. Step 5: Solve for x
    x = 638,174,498,632.38/910,378.41
  6. Step 6: Final answer
    x = 700,999.16

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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.