Home / 855,510.65-1,180,131.79-549,632.58

Finding the Fourth Proportional to 855,510.65, 1,180,131.79 and 549,632.58

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Solution

The fourth proportional to 855,510.65, 1,180,131.79 and 549,632.58 is: 758,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,510.65 : 1,180,131.79 = 549,632.58 : x
  2. Step 2: Convert to fraction form
    855,510.65/1,180,131.79 = 549,632.58/x
  3. Step 3: Cross multiply
    855,510.65x = 1,180,131.79 × 549,632.58
  4. Step 4: Simplify right side
    855,510.65x = 648,638,880,477.72
  5. Step 5: Solve for x
    x = 648,638,880,477.72/855,510.65
  6. Step 6: Final answer
    x = 758,189.14

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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.