Home / 768,675.47-1,060,901.93-446,572.40

Finding the Fourth Proportional to 768,675.47, 1,060,901.93 and 446,572.40

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Solution

The fourth proportional to 768,675.47, 1,060,901.93 and 446,572.40 is: 616,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,675.47 : 1,060,901.93 = 446,572.40 : x
  2. Step 2: Convert to fraction form
    768,675.47/1,060,901.93 = 446,572.40/x
  3. Step 3: Cross multiply
    768,675.47x = 1,060,901.93 × 446,572.40
  4. Step 4: Simplify right side
    768,675.47x = 473,769,516,856.65
  5. Step 5: Solve for x
    x = 473,769,516,856.65/768,675.47
  6. Step 6: Final answer
    x = 616,345.31

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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.