Home / 870,343.02-1,201,070.16-488,368.89

Finding the Fourth Proportional to 870,343.02, 1,201,070.16 and 488,368.89

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Solution

The fourth proportional to 870,343.02, 1,201,070.16 and 488,368.89 is: 673,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,343.02 : 1,201,070.16 = 488,368.89 : x
  2. Step 2: Convert to fraction form
    870,343.02/1,201,070.16 = 488,368.89/x
  3. Step 3: Cross multiply
    870,343.02x = 1,201,070.16 × 488,368.89
  4. Step 4: Simplify right side
    870,343.02x = 586,565,300,851.32
  5. Step 5: Solve for x
    x = 586,565,300,851.32/870,343.02
  6. Step 6: Final answer
    x = 673,947.27

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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.