Home / 991,830.35-1,368,875.50-604,870.27

Finding the Fourth Proportional to 991,830.35, 1,368,875.50 and 604,870.27

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Solution

The fourth proportional to 991,830.35, 1,368,875.50 and 604,870.27 is: 834,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,830.35 : 1,368,875.50 = 604,870.27 : x
  2. Step 2: Convert to fraction form
    991,830.35/1,368,875.50 = 604,870.27/x
  3. Step 3: Cross multiply
    991,830.35x = 1,368,875.50 × 604,870.27
  4. Step 4: Simplify right side
    991,830.35x = 827,992,088,347.02
  5. Step 5: Solve for x
    x = 827,992,088,347.02/991,830.35
  6. Step 6: Final answer
    x = 834,812.21

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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.