Home / 830,782.36-1,146,862.38-486,570.52

Finding the Fourth Proportional to 830,782.36, 1,146,862.38 and 486,570.52

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Solution

The fourth proportional to 830,782.36, 1,146,862.38 and 486,570.52 is: 671,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,782.36 : 1,146,862.38 = 486,570.52 : x
  2. Step 2: Convert to fraction form
    830,782.36/1,146,862.38 = 486,570.52/x
  3. Step 3: Cross multiply
    830,782.36x = 1,146,862.38 × 486,570.52
  4. Step 4: Simplify right side
    830,782.36x = 558,029,424,605.04
  5. Step 5: Solve for x
    x = 558,029,424,605.04/830,782.36
  6. Step 6: Final answer
    x = 671,691.47

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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.