Home / 671,430.40-1,006,393.92-514,303.36

Finding the Fourth Proportional to 671,430.40, 1,006,393.92 and 514,303.36

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Solution

The fourth proportional to 671,430.40, 1,006,393.92 and 514,303.36 is: 770,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,430.40 : 1,006,393.92 = 514,303.36 : x
  2. Step 2: Convert to fraction form
    671,430.40/1,006,393.92 = 514,303.36/x
  3. Step 3: Cross multiply
    671,430.40x = 1,006,393.92 × 514,303.36
  4. Step 4: Simplify right side
    671,430.40x = 517,591,774,539.57
  5. Step 5: Solve for x
    x = 517,591,774,539.57/671,430.40
  6. Step 6: Final answer
    x = 770,879.27

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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.