Home / 788,328.19-1,178,172.34-575,544.16

Finding the Fourth Proportional to 788,328.19, 1,178,172.34 and 575,544.16

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Solution

The fourth proportional to 788,328.19, 1,178,172.34 and 575,544.16 is: 860,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,328.19 : 1,178,172.34 = 575,544.16 : x
  2. Step 2: Convert to fraction form
    788,328.19/1,178,172.34 = 575,544.16/x
  3. Step 3: Cross multiply
    788,328.19x = 1,178,172.34 × 575,544.16
  4. Step 4: Simplify right side
    788,328.19x = 678,090,203,869.67
  5. Step 5: Solve for x
    x = 678,090,203,869.67/788,328.19
  6. Step 6: Final answer
    x = 860,162.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.