Home / 805,449.20-1,209,095.40-473,212.40

Finding the Fourth Proportional to 805,449.20, 1,209,095.40 and 473,212.40

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Solution

The fourth proportional to 805,449.20, 1,209,095.40 and 473,212.40 is: 710,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,449.20 : 1,209,095.40 = 473,212.40 : x
  2. Step 2: Convert to fraction form
    805,449.20/1,209,095.40 = 473,212.40/x
  3. Step 3: Cross multiply
    805,449.20x = 1,209,095.40 × 473,212.40
  4. Step 4: Simplify right side
    805,449.20x = 572,158,936,062.96
  5. Step 5: Solve for x
    x = 572,158,936,062.96/805,449.20
  6. Step 6: Final answer
    x = 710,360.05

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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.