Home / 692,316.02-955,395.60-390,510.02

Finding the Fourth Proportional to 692,316.02, 955,395.60 and 390,510.02

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Solution

The fourth proportional to 692,316.02, 955,395.60 and 390,510.02 is: 538,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,316.02 : 955,395.60 = 390,510.02 : x
  2. Step 2: Convert to fraction form
    692,316.02/955,395.60 = 390,510.02/x
  3. Step 3: Cross multiply
    692,316.02x = 955,395.60 × 390,510.02
  4. Step 4: Simplify right side
    692,316.02x = 373,091,554,863.91
  5. Step 5: Solve for x
    x = 373,091,554,863.91/692,316.02
  6. Step 6: Final answer
    x = 538,903.54

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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.