Home / 817,009.20-1,127,688.48-575,363.52

Finding the Fourth Proportional to 817,009.20, 1,127,688.48 and 575,363.52

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Solution

The fourth proportional to 817,009.20, 1,127,688.48 and 575,363.52 is: 794,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,009.20 : 1,127,688.48 = 575,363.52 : x
  2. Step 2: Convert to fraction form
    817,009.20/1,127,688.48 = 575,363.52/x
  3. Step 3: Cross multiply
    817,009.20x = 1,127,688.48 × 575,363.52
  4. Step 4: Simplify right side
    817,009.20x = 648,830,813,316.25
  5. Step 5: Solve for x
    x = 648,830,813,316.25/817,009.20
  6. Step 6: Final answer
    x = 794,153.62

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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.