Home / 731,264.64-1,097,156.75-326,420.16

Finding the Fourth Proportional to 731,264.64, 1,097,156.75 and 326,420.16

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Solution

The fourth proportional to 731,264.64, 1,097,156.75 and 326,420.16 is: 489,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,264.64 : 1,097,156.75 = 326,420.16 : x
  2. Step 2: Convert to fraction form
    731,264.64/1,097,156.75 = 326,420.16/x
  3. Step 3: Cross multiply
    731,264.64x = 1,097,156.75 × 326,420.16
  4. Step 4: Simplify right side
    731,264.64x = 358,134,081,880.08
  5. Step 5: Solve for x
    x = 358,134,081,880.08/731,264.64
  6. Step 6: Final answer
    x = 489,746.20

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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.