Home / 830,668.56-1,146,323.08-448,695.35

Finding the Fourth Proportional to 830,668.56, 1,146,323.08 and 448,695.35

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Solution

The fourth proportional to 830,668.56, 1,146,323.08 and 448,695.35 is: 619,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,668.56 : 1,146,323.08 = 448,695.35 : x
  2. Step 2: Convert to fraction form
    830,668.56/1,146,323.08 = 448,695.35/x
  3. Step 3: Cross multiply
    830,668.56x = 1,146,323.08 × 448,695.35
  4. Step 4: Simplify right side
    830,668.56x = 514,349,831,606.13
  5. Step 5: Solve for x
    x = 514,349,831,606.13/830,668.56
  6. Step 6: Final answer
    x = 619,199.83

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Double scale
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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.