Home / 745,512.90-1,118,269.35-366,492.15

Finding the Fourth Proportional to 745,512.90, 1,118,269.35 and 366,492.15

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Solution

The fourth proportional to 745,512.90, 1,118,269.35 and 366,492.15 is: 549,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,512.90 : 1,118,269.35 = 366,492.15 : x
  2. Step 2: Convert to fraction form
    745,512.90/1,118,269.35 = 366,492.15/x
  3. Step 3: Cross multiply
    745,512.90x = 1,118,269.35 × 366,492.15
  4. Step 4: Simplify right side
    745,512.90x = 409,836,938,360.60
  5. Step 5: Solve for x
    x = 409,836,938,360.60/745,512.90
  6. Step 6: Final answer
    x = 549,738.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.