Home / 840,547.84-1,159,950.52-477,971.72

Finding the Fourth Proportional to 840,547.84, 1,159,950.52 and 477,971.72

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Solution

The fourth proportional to 840,547.84, 1,159,950.52 and 477,971.72 is: 659,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,547.84 : 1,159,950.52 = 477,971.72 : x
  2. Step 2: Convert to fraction form
    840,547.84/1,159,950.52 = 477,971.72/x
  3. Step 3: Cross multiply
    840,547.84x = 1,159,950.52 × 477,971.72
  4. Step 4: Simplify right side
    840,547.84x = 554,423,545,159.29
  5. Step 5: Solve for x
    x = 554,423,545,159.29/840,547.84
  6. Step 6: Final answer
    x = 659,597.85

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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.