Home / 840,832.64-1,160,386.88-473,436.32

Finding the Fourth Proportional to 840,832.64, 1,160,386.88 and 473,436.32

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Solution

The fourth proportional to 840,832.64, 1,160,386.88 and 473,436.32 is: 653,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,832.64 : 1,160,386.88 = 473,436.32 : x
  2. Step 2: Convert to fraction form
    840,832.64/1,160,386.88 = 473,436.32/x
  3. Step 3: Cross multiply
    840,832.64x = 1,160,386.88 × 473,436.32
  4. Step 4: Simplify right side
    840,832.64x = 549,369,294,243.48
  5. Step 5: Solve for x
    x = 549,369,294,243.48/840,832.64
  6. Step 6: Final answer
    x = 653,363.43

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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.