Home / 763,549.10-1,053,719.86-436,915.22

Finding the Fourth Proportional to 763,549.10, 1,053,719.86 and 436,915.22

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Solution

The fourth proportional to 763,549.10, 1,053,719.86 and 436,915.22 is: 602,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,549.10 : 1,053,719.86 = 436,915.22 : x
  2. Step 2: Convert to fraction form
    763,549.10/1,053,719.86 = 436,915.22/x
  3. Step 3: Cross multiply
    763,549.10x = 1,053,719.86 × 436,915.22
  4. Step 4: Simplify right side
    763,549.10x = 460,386,244,450.27
  5. Step 5: Solve for x
    x = 460,386,244,450.27/763,549.10
  6. Step 6: Final answer
    x = 602,955.65

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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.