Home / 840,539.34-1,159,897.02-478,051.38

Finding the Fourth Proportional to 840,539.34, 1,159,897.02 and 478,051.38

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Solution

The fourth proportional to 840,539.34, 1,159,897.02 and 478,051.38 is: 659,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,539.34 : 1,159,897.02 = 478,051.38 : x
  2. Step 2: Convert to fraction form
    840,539.34/1,159,897.02 = 478,051.38/x
  3. Step 3: Cross multiply
    840,539.34x = 1,159,897.02 × 478,051.38
  4. Step 4: Simplify right side
    840,539.34x = 554,490,371,068.89
  5. Step 5: Solve for x
    x = 554,490,371,068.89/840,539.34
  6. Step 6: Final answer
    x = 659,684.02

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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.