Home / 749,969.30-1,034,943.80-410,430.74

Finding the Fourth Proportional to 749,969.30, 1,034,943.80 and 410,430.74

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Solution

The fourth proportional to 749,969.30, 1,034,943.80 and 410,430.74 is: 566,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,969.30 : 1,034,943.80 = 410,430.74 : x
  2. Step 2: Convert to fraction form
    749,969.30/1,034,943.80 = 410,430.74/x
  3. Step 3: Cross multiply
    749,969.30x = 1,034,943.80 × 410,430.74
  4. Step 4: Simplify right side
    749,969.30x = 424,772,749,692.41
  5. Step 5: Solve for x
    x = 424,772,749,692.41/749,969.30
  6. Step 6: Final answer
    x = 566,386.85

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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.