Home / 770,547.80-1,155,821.70-471,949.40

Finding the Fourth Proportional to 770,547.80, 1,155,821.70 and 471,949.40

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Solution

The fourth proportional to 770,547.80, 1,155,821.70 and 471,949.40 is: 707,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,547.80 : 1,155,821.70 = 471,949.40 : x
  2. Step 2: Convert to fraction form
    770,547.80/1,155,821.70 = 471,949.40/x
  3. Step 3: Cross multiply
    770,547.80x = 1,155,821.70 × 471,949.40
  4. Step 4: Simplify right side
    770,547.80x = 545,489,357,821.98
  5. Step 5: Solve for x
    x = 545,489,357,821.98/770,547.80
  6. Step 6: Final answer
    x = 707,924.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.