Home / 852,070.34-1,175,860.86-470,108.36

Finding the Fourth Proportional to 852,070.34, 1,175,860.86 and 470,108.36

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Solution

The fourth proportional to 852,070.34, 1,175,860.86 and 470,108.36 is: 648,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,070.34 : 1,175,860.86 = 470,108.36 : x
  2. Step 2: Convert to fraction form
    852,070.34/1,175,860.86 = 470,108.36/x
  3. Step 3: Cross multiply
    852,070.34x = 1,175,860.86 × 470,108.36
  4. Step 4: Simplify right side
    852,070.34x = 552,782,020,482.79
  5. Step 5: Solve for x
    x = 552,782,020,482.79/852,070.34
  6. Step 6: Final answer
    x = 648,751.63

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1.5x scale

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.