Home / 852,543.94-1,176,510.74-470,570.82

Finding the Fourth Proportional to 852,543.94, 1,176,510.74 and 470,570.82

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Solution

The fourth proportional to 852,543.94, 1,176,510.74 and 470,570.82 is: 649,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,543.94 : 1,176,510.74 = 470,570.82 : x
  2. Step 2: Convert to fraction form
    852,543.94/1,176,510.74 = 470,570.82/x
  3. Step 3: Cross multiply
    852,543.94x = 1,176,510.74 × 470,570.82
  4. Step 4: Simplify right side
    852,543.94x = 553,631,621,307.75
  5. Step 5: Solve for x
    x = 553,631,621,307.75/852,543.94
  6. Step 6: Final answer
    x = 649,387.79

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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.