Home / 985,641.04-1,360,128.76-555,895.52

Finding the Fourth Proportional to 985,641.04, 1,360,128.76 and 555,895.52

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Solution

The fourth proportional to 985,641.04, 1,360,128.76 and 555,895.52 is: 767,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,641.04 : 1,360,128.76 = 555,895.52 : x
  2. Step 2: Convert to fraction form
    985,641.04/1,360,128.76 = 555,895.52/x
  3. Step 3: Cross multiply
    985,641.04x = 1,360,128.76 × 555,895.52
  4. Step 4: Simplify right side
    985,641.04x = 756,089,484,307.16
  5. Step 5: Solve for x
    x = 756,089,484,307.16/985,641.04
  6. Step 6: Final answer
    x = 767,104.30

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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.