Home / 830,276.83-1,145,746.51-462,734.37

Finding the Fourth Proportional to 830,276.83, 1,145,746.51 and 462,734.37

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Solution

The fourth proportional to 830,276.83, 1,145,746.51 and 462,734.37 is: 638,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,276.83 : 1,145,746.51 = 462,734.37 : x
  2. Step 2: Convert to fraction form
    830,276.83/1,145,746.51 = 462,734.37/x
  3. Step 3: Cross multiply
    830,276.83x = 1,145,746.51 × 462,734.37
  4. Step 4: Simplify right side
    830,276.83x = 530,176,289,484.55
  5. Step 5: Solve for x
    x = 530,176,289,484.55/830,276.83
  6. Step 6: Final answer
    x = 638,553.64

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1.5x scale

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.