Home / 744,430.13-1,116,155.16-490,937.69

Finding the Fourth Proportional to 744,430.13, 1,116,155.16 and 490,937.69

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Solution

The fourth proportional to 744,430.13, 1,116,155.16 and 490,937.69 is: 736,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,430.13 : 1,116,155.16 = 490,937.69 : x
  2. Step 2: Convert to fraction form
    744,430.13/1,116,155.16 = 490,937.69/x
  3. Step 3: Cross multiply
    744,430.13x = 1,116,155.16 × 490,937.69
  4. Step 4: Simplify right side
    744,430.13x = 547,962,634,368.94
  5. Step 5: Solve for x
    x = 547,962,634,368.94/744,430.13
  6. Step 6: Final answer
    x = 736,083.37

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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.