Home / 830,347.12-1,146,092.79-540,681.70

Finding the Fourth Proportional to 830,347.12, 1,146,092.79 and 540,681.70

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Solution

The fourth proportional to 830,347.12, 1,146,092.79 and 540,681.70 is: 746,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,347.12 : 1,146,092.79 = 540,681.70 : x
  2. Step 2: Convert to fraction form
    830,347.12/1,146,092.79 = 540,681.70/x
  3. Step 3: Cross multiply
    830,347.12x = 1,146,092.79 × 540,681.70
  4. Step 4: Simplify right side
    830,347.12x = 619,671,398,054.94
  5. Step 5: Solve for x
    x = 619,671,398,054.94/830,347.12
  6. Step 6: Final answer
    x = 746,279.94

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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.