Home / 912,643.04-1,370,206.56-513,565.76

Finding the Fourth Proportional to 912,643.04, 1,370,206.56 and 513,565.76

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Solution

The fourth proportional to 912,643.04, 1,370,206.56 and 513,565.76 is: 771,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,643.04 : 1,370,206.56 = 513,565.76 : x
  2. Step 2: Convert to fraction form
    912,643.04/1,370,206.56 = 513,565.76/x
  3. Step 3: Cross multiply
    912,643.04x = 1,370,206.56 × 513,565.76
  4. Step 4: Simplify right side
    912,643.04x = 703,691,173,343.39
  5. Step 5: Solve for x
    x = 703,691,173,343.39/912,643.04
  6. Step 6: Final answer
    x = 771,047.54

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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.