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Finding the Fourth Proportional to 898,340.60, 1,347,510.90 and 365,587.40

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Solution

The fourth proportional to 898,340.60, 1,347,510.90 and 365,587.40 is: 548,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,340.60 : 1,347,510.90 = 365,587.40 : x
  2. Step 2: Convert to fraction form
    898,340.60/1,347,510.90 = 365,587.40/x
  3. Step 3: Cross multiply
    898,340.60x = 1,347,510.90 × 365,587.40
  4. Step 4: Simplify right side
    898,340.60x = 492,633,006,402.66
  5. Step 5: Solve for x
    x = 492,633,006,402.66/898,340.60
  6. Step 6: Final answer
    x = 548,381.10

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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.