Home / 780,039.10-1,170,058.65-496,603.90

Finding the Fourth Proportional to 780,039.10, 1,170,058.65 and 496,603.90

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Solution

The fourth proportional to 780,039.10, 1,170,058.65 and 496,603.90 is: 744,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,039.10 : 1,170,058.65 = 496,603.90 : x
  2. Step 2: Convert to fraction form
    780,039.10/1,170,058.65 = 496,603.90/x
  3. Step 3: Cross multiply
    780,039.10x = 1,170,058.65 × 496,603.90
  4. Step 4: Simplify right side
    780,039.10x = 581,055,688,818.74
  5. Step 5: Solve for x
    x = 581,055,688,818.74/780,039.10
  6. Step 6: Final answer
    x = 744,905.85

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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.